31424537564 has 24 divisors (see below), whose sum is σ = 62880440448. Its totient is φ = 13460937840.

The previous prime is 31424537563. The next prime is 31424537567. The reversal of 31424537564 is 46573542413.

It is a super-2 number, since 2×31424537564² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31424537563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222734 + ... + 335349.

It is an arithmetic number, because the mean of its divisors is an integer number (2620018352).

Almost surely, 2^31424537564 is an apocalyptic number.

It is an amenable number.

31424537564 is an abundant number, since it is smaller than the sum of its proper divisors (31455902884).

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

31424537564 is a wasteful number, since it uses less digits than its factorization.

31424537564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560105 (or 560103 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 44.

The spelling of 31424537564 in words is "thirty-one billion, four hundred twenty-four million, five hundred thirty-seven thousand, five hundred sixty-four".