103131031332 has 48 divisors (see below), whose sum is σ = 286973309952. Its totient is φ = 28184877600.

The previous prime is 103131031319. The next prime is 103131031343. The reversal of 103131031332 is 233130131301.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 103131031299 and 103131031308.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26688294 + ... + 26692157.

It is an arithmetic number, because the mean of its divisors is an integer number (5978610624).

Almost surely, 2^103131031332 is an apocalyptic number.

103131031332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

103131031332 is an abundant number, since it is smaller than the sum of its proper divisors (183842278620).

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

103131031332 is a wasteful number, since it uses less digits than its factorization.

103131031332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53380488 (or 53380486 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 103131031332 its reverse (233130131301), we get a palindrome (336261162633).

The spelling of 103131031332 in words is "one hundred three billion, one hundred thirty-one million, thirty-one thousand, three hundred thirty-two".