313797172 has 18 divisors (see below), whose sum is σ = 594637638. Its totient is φ = 144829152.

The previous prime is 313797167. The next prime is 313797173. The reversal of 313797172 is 271797313.

It can be written as a sum of positive squares in 3 ways, for example, as 3825936 + 309971236 = 1956^2 + 17606^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313797173) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 231423 + ... + 232774.

Almost surely, 2^313797172 is an apocalyptic number.

It is an amenable number.

313797172 is a deficient number, since it is larger than the sum of its proper divisors (280840466).

313797172 is a wasteful number, since it uses less digits than its factorization.

313797172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464227 (or 464212 counting only the distinct ones).

The product of its digits is 55566, while the sum is 40.

The square root of 313797172 is about 17714.3210990430. The cubic root of 313797172 is about 679.5420590310.

The spelling of 313797172 in words is "three hundred thirteen million, seven hundred ninety-seven thousand, one hundred seventy-two".