31350804004 has 72 divisors (see below), whose sum is σ = 62729852640. Its totient is φ = 13665480192.

The previous prime is 31350803993. The next prime is 31350804011. The reversal of 31350804004 is 40040805313.

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 23 ways as a sum of consecutive naturals, for example, 4324807 + ... + 4332049.

Almost surely, 2^31350804004 is an apocalyptic number.

It is an amenable number.

31350804004 is an abundant number, since it is smaller than the sum of its proper divisors (31379048636).

31350804004 is a wasteful number, since it uses less digits than its factorization.

31350804004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7629 (or 7614 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The spelling of 31350804004 in words is "thirty-one billion, three hundred fifty million, eight hundred four thousand, four".