31082307764 has 48 divisors (see below), whose sum is σ = 58085430480. Its totient is φ = 14525199360.

The previous prime is 31082307749. The next prime is 31082307791. The reversal of 31082307764 is 46770328013.

It can be written as a sum of positive squares in 8 ways, for example, as 1246654864 + 29835652900 = 35308^2 + 172730^2 .

It is a super-2 number, since 2×31082307764² (a number of 22 digits) contains 22 as substring.

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, 827144 + ... + 863904.

It is an arithmetic number, because the mean of its divisors is an integer number (1210113135).

Almost surely, 2^31082307764 is an apocalyptic number.

It is an amenable number.

31082307764 is a deficient number, since it is larger than the sum of its proper divisors (27003122716).

31082307764 is a wasteful number, since it uses less digits than its factorization.

31082307764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37028 (or 37026 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 41.

The spelling of 31082307764 in words is "thirty-one billion, eighty-two million, three hundred seven thousand, seven hundred sixty-four".