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1030231331311 = 713711012576143
BaseRepresentation
bin11101111110111101001…
…00101001000111101111
310122111012121000011202111
432333132210221013233
5113334403210100221
62105140504504451
7134301043554130
oct16773644510757
93574177004674
101030231331311
11367a11801626
121477ba47b127
13761c5567b70
1437c134abc87
151bbea837be1
hexefde9291ef

1030231331311 has 64 divisors (see below), whose sum is σ = 1303831904256. Its totient is φ = 792465408000.

The previous prime is 1030231331209. The next prime is 1030231331341. The reversal of 1030231331311 is 1131331320301.

It is not a de Polignac number, because 1030231331311 - 211 = 1030231329263 is a prime.

It is a super-2 number, since 2×10302313313112 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030231331341) 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, 167705106 + ... + 167711248.

It is an arithmetic number, because the mean of its divisors is an integer number (20372373504).

Almost surely, 21030231331311 is an apocalyptic number.

1030231331311 is a deficient number, since it is larger than the sum of its proper divisors (273600572945).

1030231331311 is a wasteful number, since it uses less digits than its factorization.

1030231331311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6592.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 1030231331311 its reverse (1131331320301), we get a palindrome (2161562651612).

The spelling of 1030231331311 in words is "one trillion, thirty billion, two hundred thirty-one million, three hundred thirty-one thousand, three hundred eleven".

Divisors: 1 7 13 71 91 101 257 497 707 923 1313 1799 3341 6143 6461 7171 9191 18247 23387 25957 43001 50197 79859 93223 127729 181699 237211 337441 436153 559013 620443 652561 1578751 1660477 1842947 2362087 3053071 4343101 5669989 8065759 11051257 12900629 20523763 23958311 39689923 44051453 56460313 112091321 143666341 159453851 167708177 308360171 572668889 784639247 1116176957 1457187173 2072900063 4008682223 10200310211 11321223421 14510300441 79248563947 147175904473 1030231331311