31367437604 has 12 divisors (see below), whose sum is σ = 55012092828. Its totient is φ = 15649696800.

The previous prime is 31367437603. The next prime is 31367437627. The reversal of 31367437604 is 40673476313.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18564062500 + 12803375104 = 136250^2 + 113152^2 .

It is a super-2 number, since 2×31367437604² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31367437603) 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 3 ways as a sum of consecutive naturals, for example, 8503427 + ... + 8507114.

It is an arithmetic number, because the mean of its divisors is an integer number (4584341069).

Almost surely, 2^31367437604 is an apocalyptic number.

It is an amenable number.

31367437604 is a deficient number, since it is larger than the sum of its proper divisors (23644655224).

31367437604 is a wasteful number, since it uses less digits than its factorization.

31367437604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17011006 (or 17011004 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 44.

The spelling of 31367437604 in words is "thirty-one billion, three hundred sixty-seven million, four hundred thirty-seven thousand, six hundred four".