31368230087 has 2 divisors, whose sum is σ = 31368230088. Its totient is φ = 31368230086.

The previous prime is 31368230083. The next prime is 31368230197. The reversal of 31368230087 is 78003286313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31368230087 - 2² = 31368230083 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31368230083) 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, 15684115043 + 15684115044.

It is an arithmetic number, because the mean of its divisors is an integer number (15684115044).

Almost surely, 2^31368230087 is an apocalyptic number.

31368230087 is a deficient number, since it is larger than the sum of its proper divisors (1).

31368230087 is an equidigital number, since it uses as much as digits as its factorization.

31368230087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 31368230087 in words is "thirty-one billion, three hundred sixty-eight million, two hundred thirty thousand, eighty-seven".