23131333313087 has 2 divisors, whose sum is σ = 23131333313088. Its totient is φ = 23131333313086.

The previous prime is 23131333313059. The next prime is 23131333313149. The reversal of 23131333313087 is 78031333313132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23131333313087 - 2¹⁴ = 23131333296703 is a prime.

It is a super-2 number, since 2×23131333313087² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23131333313057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11565666656543 + 11565666656544.

It is an arithmetic number, because the mean of its divisors is an integer number (11565666656544).

Almost surely, 2^{23131333313087} is an apocalyptic number.

23131333313087 is a deficient number, since it is larger than the sum of its proper divisors (1).

23131333313087 is an equidigital number, since it uses as much as digits as its factorization.

23131333313087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 244944, while the sum is 41.

The spelling of 23131333313087 in words is "twenty-three trillion, one hundred thirty-one billion, three hundred thirty-three million, three hundred thirteen thousand, eighty-seven".