31044343087 has 2 divisors, whose sum is σ = 31044343088. Its totient is φ = 31044343086.

The previous prime is 31044343079. The next prime is 31044343163. The reversal of 31044343087 is 78034344013.

It is a weak prime.

It is an emirp because it is prime and its reverse (78034344013) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31044343087 - 2³ = 31044343079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31044349087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15522171543 + 15522171544.

It is an arithmetic number, because the mean of its divisors is an integer number (15522171544).

Almost surely, 2^31044343087 is an apocalyptic number.

31044343087 is a deficient number, since it is larger than the sum of its proper divisors (1).

31044343087 is an equidigital number, since it uses as much as digits as its factorization.

31044343087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 37.

The spelling of 31044343087 in words is "thirty-one billion, forty-four million, three hundred forty-three thousand, eighty-seven".