31080068000 has 48 divisors (see below), whose sum is σ = 76363736904. Its totient is φ = 12432025600.

The previous prime is 31080067987. The next prime is 31080068003. The reversal of 31080068000 is 86008013.

It can be written as a sum of positive squares in 4 ways, for example, as 17090855824 + 13989212176 = 130732^2 + 118276^2 .

It is not an unprimeable number, because it can be changed into a prime (31080068003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3881009 + ... + 3889008.

Almost surely, 2^31080068000 is an apocalyptic number.

It is an amenable number.

31080068000 is an abundant number, since it is smaller than the sum of its proper divisors (45283668904).

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

31080068000 is an equidigital number, since it uses as much as digits as its factorization.

31080068000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7770042 (or 7770024 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 31080068000 in words is "thirty-one billion, eighty million, sixty-eight thousand".