313976869 has 4 divisors (see below), whose sum is σ = 318277996. Its totient is φ = 309675744.

The previous prime is 313976863. The next prime is 313976879. The reversal of 313976869 is 968679313.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 153016900 + 160959969 = 12370^2 + 12687^2 .

It is a cyclic number.

It is not a de Polignac number, because 313976869 - 2⁵ = 313976837 is a prime.

It is a super-2 number, since 2×313976869² = 197162948534086322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313976863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2150454 + ... + 2150599.

It is an arithmetic number, because the mean of its divisors is an integer number (79569499).

Almost surely, 2^313976869 is an apocalyptic number.

It is an amenable number.

313976869 is a deficient number, since it is larger than the sum of its proper divisors (4301127).

313976869 is an equidigital number, since it uses as much as digits as its factorization.

313976869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4301126.

The product of its digits is 1469664, while the sum is 52.

The square root of 313976869 is about 17719.3924557249. The cubic root of 313976869 is about 679.6717482894.

It can be divided in two parts, 3139 and 76869, that added together give a palindrome (80008).

The spelling of 313976869 in words is "three hundred thirteen million, nine hundred seventy-six thousand, eight hundred sixty-nine".