102164640331 has 12 divisors (see below), whose sum is σ = 110637346512. Its totient is φ = 94297840416.

The previous prime is 102164640317. The next prime is 102164640337. The reversal of 102164640331 is 133046461201.

It is a happy number.

It is not a de Polignac number, because 102164640331 - 2²³ = 102156251723 is a prime.

It is a super-2 number, since 2×102164640331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102164640293 and 102164640302.

It is not an unprimeable number, because it can be changed into a prime (102164640337) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3113050 + ... + 3145696.

It is an arithmetic number, because the mean of its divisors is an integer number (9219778876).

Almost surely, 2^102164640331 is an apocalyptic number.

102164640331 is a deficient number, since it is larger than the sum of its proper divisors (8472706181).

102164640331 is a wasteful number, since it uses less digits than its factorization.

102164640331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51190 (or 51177 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 102164640331 in words is "one hundred two billion, one hundred sixty-four million, six hundred forty thousand, three hundred thirty-one".