313356944975881 has 9 divisors (see below), whose sum is σ = 314253423069991. Its totient is φ = 312463017182272.

The previous prime is 313356944975807. The next prime is 313356944975911. The reversal of 313356944975881 is 188579449653313.

The square root of 313356944975881 is 17701891.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 127307781455625 + 186049163520256 = 11283075^2 + 13639984^2 .

It is not a de Polignac number, because 313356944975881 - 2²⁹ = 313356408104969 is a prime.

It is a super-2 number, since 2×313356944975881² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313356944975798 and 313356944975807.

It is not an unprimeable number, because it can be changed into a prime (313356944975801) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 6248742450 + ... + 6248792596.

Almost surely, 2^{313356944975881} is an apocalyptic number.

313356944975881 is the 17701891-st square number.

313356944975881 is the 8850946-th centered octagonal number.

It is an amenable number.

313356944975881 is a deficient number, since it is larger than the sum of its proper divisors (896478094110).

313356944975881 is an frugal number, since it uses more digits than its factorization.

313356944975881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101000 (or 50500 counting only the distinct ones).

The product of its digits is 2351462400, while the sum is 76.

The spelling of 313356944975881 in words is "three hundred thirteen trillion, three hundred fifty-six billion, nine hundred forty-four million, nine hundred seventy-five thousand, eight hundred eighty-one".