12313090985 has 16 divisors (see below), whose sum is σ = 15942771264. Its totient is φ = 9075333312.

The previous prime is 12313090981. The next prime is 12313090997. The reversal of 12313090985 is 58909031321.

It is a cyclic number.

It is not a de Polignac number, because 12313090985 - 2² = 12313090981 is a prime.

It is a super-2 number, since 2×12313090985² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12313090981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147107 + ... + 215096.

It is an arithmetic number, because the mean of its divisors is an integer number (996423204).

Almost surely, 2^12313090985 is an apocalyptic number.

It is an amenable number.

12313090985 is a deficient number, since it is larger than the sum of its proper divisors (3629680279).

12313090985 is a wasteful number, since it uses less digits than its factorization.

12313090985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362744.

The product of its (nonzero) digits is 58320, while the sum is 41.

The spelling of 12313090985 in words is "twelve billion, three hundred thirteen million, ninety thousand, nine hundred eighty-five".