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102313211323121 = 791295103940799
BaseRepresentation
bin10111010000110110100110…
…100111011110001011110001
3111102021001021121112011021122
4113100312212213132023301
5101402244424044314441
61001334012421232025
730356612520025001
oct2720664647361361
9442231247464248
10102313211323121
112a666875545917
12b584b9b562615
13451212c5caa76
141b39db325c001
15bc6604c0234b
hex5d0da69de2f1

102313211323121 has 4 divisors (see below), whose sum is σ = 103608315264000. Its totient is φ = 101018107382244.

The previous prime is 102313211323093. The next prime is 102313211323157. The reversal of 102313211323121 is 121323112313201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 102313211323121 - 226 = 102313144214257 is a prime.

It is a super-2 number, since 2×1023132113231212 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102313211343121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 647551970321 + ... + 647551970478.

It is an arithmetic number, because the mean of its divisors is an integer number (25902078816000).

Almost surely, 2102313211323121 is an apocalyptic number.

It is an amenable number.

102313211323121 is a deficient number, since it is larger than the sum of its proper divisors (1295103940879).

102313211323121 is an equidigital number, since it uses as much as digits as its factorization.

102313211323121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295103940878.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 102313211323121 its reverse (121323112313201), we get a palindrome (223636323636322).

The spelling of 102313211323121 in words is "one hundred two trillion, three hundred thirteen billion, two hundred eleven million, three hundred twenty-three thousand, one hundred twenty-one".

Divisors: 1 79 1295103940799 102313211323121