313700881 has 32 divisors (see below), whose sum is σ = 371498400. Its totient is φ = 262225920.

The previous prime is 313700879. The next prime is 313700903. The reversal of 313700881 is 188007313.

It can be written as a sum of positive squares in 16 ways, for example, as 229795281 + 83905600 = 15159^2 + 9160^2 .

It is a cyclic number.

It is not a de Polignac number, because 313700881 - 2¹ = 313700879 is a prime.

It is a super-2 number, since 2×313700881² = 196816485480352322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (313700861) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 806235 + ... + 806623.

It is an arithmetic number, because the mean of its divisors is an integer number (11609325).

Almost surely, 2^313700881 is an apocalyptic number.

It is an amenable number.

313700881 is a deficient number, since it is larger than the sum of its proper divisors (57797519).

313700881 is a wasteful number, since it uses less digits than its factorization.

313700881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 313700881 is about 17711.6030048102. The cubic root of 313700881 is about 679.4725444057.

The spelling of 313700881 in words is "three hundred thirteen million, seven hundred thousand, eight hundred eighty-one".