23311110031087 has 2 divisors, whose sum is σ = 23311110031088. Its totient is φ = 23311110031086.

The previous prime is 23311110031067. The next prime is 23311110031123. The reversal of 23311110031087 is 78013001111332.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23311110031087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23311110031067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11655555015543 + 11655555015544.

It is an arithmetic number, because the mean of its divisors is an integer number (11655555015544).

Almost surely, 2^{23311110031087} is an apocalyptic number.

23311110031087 is a deficient number, since it is larger than the sum of its proper divisors (1).

23311110031087 is an equidigital number, since it uses as much as digits as its factorization.

23311110031087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 31.

The spelling of 23311110031087 in words is "twenty-three trillion, three hundred eleven billion, one hundred ten million, thirty-one thousand, eighty-seven".