3130628991 has 16 divisors (see below), whose sum is σ = 4776710400. Its totient is φ = 1786595328.

The previous prime is 3130628989. The next prime is 3130629013. The reversal of 3130628991 is 1998260313.

It is not a de Polignac number, because 3130628991 - 2¹ = 3130628989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3130628951) 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, 80781 + ... + 113078.

It is an arithmetic number, because the mean of its divisors is an integer number (298544400).

Almost surely, 2^3130628991 is an apocalyptic number.

3130628991 is a deficient number, since it is larger than the sum of its proper divisors (1646081409).

3130628991 is a wasteful number, since it uses less digits than its factorization.

3130628991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194638.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 3130628991 is about 55952.0240116477. The cubic root of 3130628991 is about 1462.8861702713.

The spelling of 3130628991 in words is "three billion, one hundred thirty million, six hundred twenty-eight thousand, nine hundred ninety-one".