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1030223231310 = 235713587642881
BaseRepresentation
bin11101111110111100001…
…01101111100101001110
310122111012000202122122110
432333132011233211032
5113334344121400220
62105140015124450
7134300614660020
oct16773605574516
93574160678573
101030223231310
11367a08179a09
121477b7813726
13761c3990070
1437c123a0010
151bbe9c87be0
hexefde16f94e

1030223231310 has 128 divisors (see below), whose sum is σ = 3048309863424. Its totient is φ = 216995143680.

The previous prime is 1030223231281. The next prime is 1030223231311. The reversal of 1030223231310 is 131323220301.

It is a super-2 number, since 2×10302232313102 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030223231311) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1281070 + ... + 1923950.

It is an arithmetic number, because the mean of its divisors is an integer number (23814920808).

Almost surely, 21030223231310 is an apocalyptic number.

1030223231310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1030223231310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1524154931712).

1030223231310 is an abundant number, since it is smaller than the sum of its proper divisors (2018086632114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1030223231310 is a wasteful number, since it uses less digits than its factorization.

1030223231310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643498.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1030223231310 its reverse (131323220301), we get a palindrome (1161546451611).

The spelling of 1030223231310 in words is "one trillion, thirty billion, two hundred twenty-three million, two hundred thirty-one thousand, three hundred ten".

Divisors: 1 2 3 5 6 7 10 13 14 15 21 26 30 35 39 42 65 70 78 91 105 130 182 195 210 273 390 455 546 587 910 1174 1365 1761 2730 2935 3522 4109 5870 7631 8218 8805 12327 15262 17610 20545 22893 24654 38155 41090 45786 53417 61635 76310 106834 114465 123270 160251 228930 267085 320502 534170 642881 801255 1285762 1602510 1928643 3214405 3857286 4500167 6428810 8357453 9000334 9643215 13500501 16714906 19286430 22500835 25072359 27001002 41787265 45001670 50144718 58502171 67502505 83574530 117004342 125361795 135005010 175506513 250723590 292510855 351013026 377371147 585021710 754742294 877532565 1132113441 1755065130 1886855735 2264226882 2641598029 3773711470 4905824911 5283196058 5660567205 7924794087 9811649822 11321134410 13207990145 14717474733 15849588174 24529124555 26415980290 29434949466 34340774377 39623970435 49058249110 68681548754 73587373665 79247940870 103022323131 147174747330 171703871885 206044646262 343407743770 515111615655 1030223231310