31368227604 has 48 divisors (see below), whose sum is σ = 84794494848. Its totient is φ = 8839577088.

The previous prime is 31368227587. The next prime is 31368227617. The reversal of 31368227604 is 40672286313.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2551617 + ... + 2563880.

It is an arithmetic number, because the mean of its divisors is an integer number (1766551976).

Almost surely, 2^31368227604 is an apocalyptic number.

It is an amenable number.

31368227604 is an abundant number, since it is smaller than the sum of its proper divisors (53426267244).

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

31368227604 is a wasteful number, since it uses less digits than its factorization.

31368227604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5115584 (or 5115582 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 42.

The spelling of 31368227604 in words is "thirty-one billion, three hundred sixty-eight million, two hundred twenty-seven thousand, six hundred four".