102322312131 has 64 divisors (see below), whose sum is σ = 156709324800. Its totient is φ = 58866683904.

The previous prime is 102322312121. The next prime is 102322312151. The reversal of 102322312131 is 131213223201.

It is not a de Polignac number, because 102322312131 - 2¹³ = 102322303939 is a prime.

It is a super-2 number, since 2×102322312131² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102322312098 and 102322312107.

It is not an unprimeable number, because it can be changed into a prime (102322312121) 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, 20009631 + ... + 20014743.

It is an arithmetic number, because the mean of its divisors is an integer number (2448583200).

Almost surely, 2^102322312131 is an apocalyptic number.

102322312131 is a deficient number, since it is larger than the sum of its proper divisors (54387012669).

102322312131 is a wasteful number, since it uses less digits than its factorization.

102322312131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5500.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 102322312131 its reverse (131213223201), we get a palindrome (233535535332).

The spelling of 102322312131 in words is "one hundred two billion, three hundred twenty-two million, three hundred twelve thousand, one hundred thirty-one".