23311030986 has 20 divisors (see below), whose sum is σ = 52233977202. Its totient is φ = 7770343608.

The previous prime is 23311030903. The next prime is 23311031017. The reversal of 23311030986 is 68903011332.

23311030986 is a `hidden beast` number, since 2 + 331 + 10 + 309 + 8 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 21150175761 + 2160855225 = 145431^2 + 46485^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23311030986.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 71947465 + ... + 71947788.

Almost surely, 2^23311030986 is an apocalyptic number.

23311030986 is an abundant number, since it is smaller than the sum of its proper divisors (28922946216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23311030986 is a wasteful number, since it uses less digits than its factorization.

23311030986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143895267 (or 143895258 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The spelling of 23311030986 in words is "twenty-three billion, three hundred eleven million, thirty thousand, nine hundred eighty-six".