31352550836 has 12 divisors (see below), whose sum is σ = 54868205700. Its totient is φ = 15675920640.

The previous prime is 31352550799. The next prime is 31352550851. The reversal of 31352550836 is 63805525313.

It can be written as a sum of positive squares in 2 ways, for example, as 29208860836 + 2143690000 = 170906^2 + 46300^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31352550793 and 31352550802.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286340 + ... + 380388.

It is an arithmetic number, because the mean of its divisors is an integer number (4572350475).

Almost surely, 2^31352550836 is an apocalyptic number.

It is an amenable number.

31352550836 is a deficient number, since it is larger than the sum of its proper divisors (23515654864).

31352550836 is a wasteful number, since it uses less digits than its factorization.

31352550836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177394 (or 177392 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 41.

The spelling of 31352550836 in words is "thirty-one billion, three hundred fifty-two million, five hundred fifty thousand, eight hundred thirty-six".