3111331087 has 2 divisors, whose sum is σ = 3111331088. Its totient is φ = 3111331086.

The previous prime is 3111331081. The next prime is 3111331117. The reversal of 3111331087 is 7801331113.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3111331087 - 2³ = 3111331079 is a prime.

It is a super-2 number, since 2×3111331087² = 19360762265865203138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3111331081) 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, 1555665543 + 1555665544.

It is an arithmetic number, because the mean of its divisors is an integer number (1555665544).

Almost surely, 2^3111331087 is an apocalyptic number.

3111331087 is a deficient number, since it is larger than the sum of its proper divisors (1).

3111331087 is an equidigital number, since it uses as much as digits as its factorization.

3111331087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 3111331087 is about 55779.3069784844. The cubic root of 3111331087 is about 1459.8741192213.

The spelling of 3111331087 in words is "three billion, one hundred eleven million, three hundred thirty-one thousand, eighty-seven".