31472865004 has 24 divisors (see below), whose sum is σ = 62973309728. Its totient is φ = 13482460800.

The previous prime is 31472864989. The next prime is 31472865007. The reversal of 31472865004 is 40056827413.

It is not an unprimeable number, because it can be changed into a prime (31472865007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180897 + ... + 309304.

Almost surely, 2^31472865004 is an apocalyptic number.

It is an amenable number.

31472865004 is an abundant number, since it is smaller than the sum of its proper divisors (31500444724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31472865004 is a wasteful number, since it uses less digits than its factorization.

31472865004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492505 (or 492503 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 31472865004 in words is "thirty-one billion, four hundred seventy-two million, eight hundred sixty-five thousand, four".