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102231312222321 = 3317222726170419
BaseRepresentation
bin10111001111101010010101…
…000011001100100001110001
3111101222012212220220202202000
4113033222111003030201301
5101344424211412103241
61001232225543244213
730350653135120242
oct2717522503144161
9441865786822660
10102231312222321
112a635068648247
12b571143749669
1345074a9bb8789
141b360441b0cc9
15bc440eb51eb6
hex5cfa950cc871

102231312222321 has 16 divisors (see below), whose sum is σ = 160362842702400. Its totient is φ = 64145137080384.

The previous prime is 102231312222313. The next prime is 102231312222323. The reversal of 102231312222321 is 123222213132201.

102231312222321 is a `hidden beast` number, since 1 + 0 + 2 + 2 + 3 + 1 + 312 + 2 + 22 + 321 = 666.

It is not a de Polignac number, because 102231312222321 - 23 = 102231312222313 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (102231312222323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111363084751 + ... + 111363085668.

It is an arithmetic number, because the mean of its divisors is an integer number (10022677668900).

Almost surely, 2102231312222321 is an apocalyptic number.

It is an amenable number.

102231312222321 is a deficient number, since it is larger than the sum of its proper divisors (58131530480079).

102231312222321 is a wasteful number, since it uses less digits than its factorization.

102231312222321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222726170445 (or 222726170439 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 102231312222321 its reverse (123222213132201), we get a palindrome (225453525354522).

The spelling of 102231312222321 in words is "one hundred two trillion, two hundred thirty-one billion, three hundred twelve million, two hundred twenty-two thousand, three hundred twenty-one".

Divisors: 1 3 9 17 27 51 153 459 222726170419 668178511257 2004535533771 3786344897123 6013606601313 11359034691369 34077104074107 102231312222321