13231417938 has 32 divisors (see below), whose sum is σ = 26754397632. Its totient is φ = 4361976000.

The previous prime is 13231417933. The next prime is 13231417993. The reversal of 13231417938 is 83971413231.

It is a self number, because there is not a number n which added to its sum of digits gives 13231417938.

It is not an unprimeable number, because it can be changed into a prime (13231417933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 558645 + ... + 581847.

It is an arithmetic number, because the mean of its divisors is an integer number (836074926).

Almost surely, 2^13231417938 is an apocalyptic number.

13231417938 is an abundant number, since it is smaller than the sum of its proper divisors (13522979694).

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

13231417938 is a wasteful number, since it uses less digits than its factorization.

13231417938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24250.

The product of its digits is 108864, while the sum is 42.

The spelling of 13231417938 in words is "thirteen billion, two hundred thirty-one million, four hundred seventeen thousand, nine hundred thirty-eight".