313918769522 has 6 divisors (see below), whose sum is σ = 470879342829. Its totient is φ = 156958988580.

The previous prime is 313918769501. The next prime is 313918769531. The reversal of 313918769522 is 225967819313.

It can be written as a sum of positive squares in 2 ways, for example, as 275718457921 + 38200311601 = 525089^2 + 195449^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=396181.

It is a super-2 number, since 2×313918769522² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 594272 + ... + 990452.

Almost surely, 2^313918769522 is an apocalyptic number.

313918769522 is a deficient number, since it is larger than the sum of its proper divisors (156960573307).

313918769522 is an frugal number, since it uses more digits than its factorization.

313918769522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792364 (or 396183 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 56.

The spelling of 313918769522 in words is "three hundred thirteen billion, nine hundred eighteen million, seven hundred sixty-nine thousand, five hundred twenty-two".