313132831 has 8 divisors (see below), whose sum is σ = 344623824. Its totient is φ = 282145920.

The previous prime is 313132819. The next prime is 313132871. The reversal of 313132831 is 138231313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 313132831 - 2⁹ = 313132319 is a prime.

It is a super-2 number, since 2×313132831² = 196104339700149122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313132796 and 313132805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313132801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124716 + ... + 127201.

It is an arithmetic number, because the mean of its divisors is an integer number (43077978).

Almost surely, 2^313132831 is an apocalyptic number.

313132831 is a deficient number, since it is larger than the sum of its proper divisors (31490993).

313132831 is a wasteful number, since it uses less digits than its factorization.

313132831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252041.

The product of its digits is 1296, while the sum is 25.

The square root of 313132831 is about 17695.5596407686. The cubic root of 313132831 is about 679.0621666528.

The spelling of 313132831 in words is "three hundred thirteen million, one hundred thirty-two thousand, eight hundred thirty-one".