31324442524 has 12 divisors (see below), whose sum is σ = 54820042200. Its totient is φ = 15661573328.

The previous prime is 31324442521. The next prime is 31324442537. The reversal of 31324442524 is 42524442313.

It is a self number, because there is not a number n which added to its sum of digits gives 31324442524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31324442521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43594 + ... + 254065.

It is an arithmetic number, because the mean of its divisors is an integer number (4568336850).

Almost surely, 2^31324442524 is an apocalyptic number.

It is an amenable number.

31324442524 is a deficient number, since it is larger than the sum of its proper divisors (23495599676).

31324442524 is a wasteful number, since it uses less digits than its factorization.

31324442524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323972 (or 323970 counting only the distinct ones).

The product of its digits is 92160, while the sum is 34.

Adding to 31324442524 its reverse (42524442313), we get a palindrome (73848884837).

The spelling of 31324442524 in words is "thirty-one billion, three hundred twenty-four million, four hundred forty-two thousand, five hundred twenty-four".