102311312999999 has 4 divisors (see below), whose sum is σ = 102322256566200. Its totient is φ = 102300369433800.

The previous prime is 102311312999969. The next prime is 102311313000031. The reversal of 102311312999999 is 999999213113201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102311312999999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102311312999969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5471769077 + ... + 5471787774.

It is an arithmetic number, because the mean of its divisors is an integer number (25580564141550).

Almost surely, 2^{102311312999999} is an apocalyptic number.

102311312999999 is a deficient number, since it is larger than the sum of its proper divisors (10943566201).

102311312999999 is an equidigital number, since it uses as much as digits as its factorization.

102311312999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10943566200.

The product of its (nonzero) digits is 19131876, while the sum is 68.

The spelling of 102311312999999 in words is "one hundred two trillion, three hundred eleven billion, three hundred twelve million, nine hundred ninety-nine thousand, nine hundred ninety-nine".