3130994687 has 2 divisors, whose sum is σ = 3130994688. Its totient is φ = 3130994686.

The previous prime is 3130994683. The next prime is 3130994693. The reversal of 3130994687 is 7864990313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3130994687 - 2² = 3130994683 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3130994681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565497343 + 1565497344.

It is an arithmetic number, because the mean of its divisors is an integer number (1565497344).

Almost surely, 2^3130994687 is an apocalyptic number.

3130994687 is a deficient number, since it is larger than the sum of its proper divisors (1).

3130994687 is an equidigital number, since it uses as much as digits as its factorization.

3130994687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 979776, while the sum is 50.

The square root of 3130994687 is about 55955.2918587688. The cubic root of 3130994687 is about 1462.9431290905.

The spelling of 3130994687 in words is "three billion, one hundred thirty million, nine hundred ninety-four thousand, six hundred eighty-seven".