31421704052 has 24 divisors (see below), whose sum is σ = 55872270720. Its totient is φ = 15459069920.

The previous prime is 31421704049. The next prime is 31421704079. The reversal of 31421704052 is 25040712413.

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 7 ways as a sum of consecutive naturals, for example, 35873 + ... + 253239.

It is an arithmetic number, because the mean of its divisors is an integer number (2328011280).

Almost surely, 2^31421704052 is an apocalyptic number.

It is an amenable number.

31421704052 is a deficient number, since it is larger than the sum of its proper divisors (24450566668).

31421704052 is a wasteful number, since it uses less digits than its factorization.

31421704052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217951 (or 217949 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The spelling of 31421704052 in words is "thirty-one billion, four hundred twenty-one million, seven hundred four thousand, fifty-two".