3130238988 has 18 divisors (see below), whose sum is σ = 7912548644. Its totient is φ = 1043412984.

The previous prime is 3130238959. The next prime is 3130239011. The reversal of 3130238988 is 8898320313.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×3130238988² = 19596792243990528288, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43475506 + ... + 43475577.

Almost surely, 2^3130238988 is an apocalyptic number.

It is an amenable number.

3130238988 is an abundant number, since it is smaller than the sum of its proper divisors (4782309656).

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

3130238988 is a wasteful number, since it uses less digits than its factorization.

3130238988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86951093 (or 86951088 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 3130238988 is about 55948.5387476742. The cubic root of 3130238988 is about 1462.8254206382.

The spelling of 3130238988 in words is "three billion, one hundred thirty million, two hundred thirty-eight thousand, nine hundred eighty-eight".