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12313331010 = 2325374398423
BaseRepresentation
bin10110111011110111…
…01000010101000010
31011210010201000200200
423131323220111002
5200204203043020
65353501230030
7614064405141
oct133573502502
934703630620
1012313331010
115249610922
122477862316
13121304c3a6
1484b4a1758
154c1014590
hex2ddee8542

12313331010 has 96 divisors (see below), whose sum is σ = 32958731520. Its totient is φ = 3187154304.

The previous prime is 12313330943. The next prime is 12313331021. The reversal of 12313331010 is 1013331321.

It is a happy number.

12313331010 is a `hidden beast` number, since 1 + 231 + 333 + 101 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1457659 + ... + 1466081.

It is an arithmetic number, because the mean of its divisors is an integer number (343320120).

Almost surely, 212313331010 is an apocalyptic number.

12313331010 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 12313331010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16479365760).

12313331010 is an abundant number, since it is smaller than the sum of its proper divisors (20645400510).

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

12313331010 is a wasteful number, since it uses less digits than its factorization.

12313331010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8912 (or 8909 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 12313331010 its reverse (1013331321), we get a palindrome (13326662331).

The spelling of 12313331010 in words is "twelve billion, three hundred thirteen million, three hundred thirty-one thousand, ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 37 45 74 90 111 185 222 333 370 439 555 666 878 1110 1317 1665 2195 2634 3330 3951 4390 6585 7902 8423 13170 16243 16846 19755 25269 32486 39510 42115 48729 50538 75807 81215 84230 97458 126345 146187 151614 162430 243645 252690 292374 311651 379035 487290 623302 730935 758070 934953 1461870 1558255 1869906 2804859 3116510 3697697 4674765 5609718 7395394 9349530 11093091 14024295 18488485 22186182 28048590 33279273 36976970 55465455 66558546 110930910 136814789 166396365 273629578 332792730 410444367 684073945 820888734 1231333101 1368147890 2052221835 2462666202 4104443670 6156665505 12313331010