31082505004 has 48 divisors (see below), whose sum is σ = 57724128000. Its totient is φ = 14603544000.

The previous prime is 31082505001. The next prime is 31082505053. The reversal of 31082505004 is 40050528013.

It is a super-2 number, since 2×31082505004² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31082505001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9420147 + ... + 9423445.

It is an arithmetic number, because the mean of its divisors is an integer number (1202586000).

Almost surely, 2^31082505004 is an apocalyptic number.

It is an amenable number.

31082505004 is a deficient number, since it is larger than the sum of its proper divisors (26641622996).

31082505004 is a wasteful number, since it uses less digits than its factorization.

31082505004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4294 (or 4292 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The spelling of 31082505004 in words is "thirty-one billion, eighty-two million, five hundred five thousand, four".