311169870426864 has 80 divisors (see below), whose sum is σ = 841668556764672. Its totient is φ = 98874968865024.

The previous prime is 311169870426839. The next prime is 311169870426949. The reversal of 311169870426864 is 468624078961113.

It is a super-2 number, since 2×311169870426864² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 311169870426795 and 311169870426804.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 480660772 + ... + 481307715.

Almost surely, 2^{311169870426864} is an apocalyptic number.

It is an amenable number.

311169870426864 is an abundant number, since it is smaller than the sum of its proper divisors (530498686337808).

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

311169870426864 is a wasteful number, since it uses less digits than its factorization.

311169870426864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961968814 (or 961968808 counting only the distinct ones).

The product of its (nonzero) digits is 83607552, while the sum is 66.

The spelling of 311169870426864 in words is "three hundred eleven trillion, one hundred sixty-nine billion, eight hundred seventy million, four hundred twenty-six thousand, eight hundred sixty-four".