102131301231 has 12 divisors (see below), whose sum is σ = 147994314208. Its totient is φ = 67870000224.

The previous prime is 102131301221. The next prime is 102131301277. The reversal of 102131301231 is 132103131201.

102131301231 is a `hidden beast` number, since 1 + 0 + 2 + 131 + 301 + 231 = 666.

It is not a de Polignac number, because 102131301231 - 2¹⁷ = 102131170159 is a prime.

It is a super-2 number, since 2×102131301231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102131301221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18124855 + ... + 18130488.

Almost surely, 2^102131301231 is an apocalyptic number.

102131301231 is a deficient number, since it is larger than the sum of its proper divisors (45863012977).

102131301231 is a wasteful number, since it uses less digits than its factorization.

102131301231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36255662 (or 36255659 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 102131301231 its reverse (132103131201), we get a palindrome (234234432432).

The spelling of 102131301231 in words is "one hundred two billion, one hundred thirty-one million, three hundred one thousand, two hundred thirty-one".