3130987331 has 2 divisors, whose sum is σ = 3130987332. Its totient is φ = 3130987330.

The previous prime is 3130987319. The next prime is 3130987351. The reversal of 3130987331 is 1337890313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3130987331 - 2¹⁸ = 3130725187 is a prime.

It is a super-2 number, since 2×3130987331² = 19606163333765007122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3130987351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565493665 + 1565493666.

It is an arithmetic number, because the mean of its divisors is an integer number (1565493666).

Almost surely, 2^3130987331 is an apocalyptic number.

3130987331 is a deficient number, since it is larger than the sum of its proper divisors (1).

3130987331 is an equidigital number, since it uses as much as digits as its factorization.

3130987331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 3130987331 is about 55955.2261276818. The cubic root of 3130987331 is about 1462.9419834037.

The spelling of 3130987331 in words is "three billion, one hundred thirty million, nine hundred eighty-seven thousand, three hundred thirty-one".