103131002312 has 32 divisors (see below), whose sum is σ = 208458646200. Its totient is φ = 47550157824.

The previous prime is 103131002269. The next prime is 103131002321. The reversal of 103131002312 is 213200131301.

It can be written as a sum of positive squares in 4 ways, for example, as 102327052996 + 803949316 = 319886^2 + 28354^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 405887 + ... + 609102.

Almost surely, 2^103131002312 is an apocalyptic number.

It is an amenable number.

103131002312 is an abundant number, since it is smaller than the sum of its proper divisors (105327643888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103131002312 is a wasteful number, since it uses less digits than its factorization.

103131002312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015985 (or 1015981 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 103131002312 its reverse (213200131301), we get a palindrome (316331133613).

The spelling of 103131002312 in words is "one hundred three billion, one hundred thirty-one million, two thousand, three hundred twelve".