313717172 has 6 divisors (see below), whose sum is σ = 549005058. Its totient is φ = 156858584.

The previous prime is 313717169. The next prime is 313717177. The reversal of 313717172 is 271717313.

It can be written as a sum of positive squares in only one way, i.e., 165997456 + 147719716 = 12884^2 + 12154^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313717177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39214643 + ... + 39214650.

It is an arithmetic number, because the mean of its divisors is an integer number (91500843).

Almost surely, 2^313717172 is an apocalyptic number.

It is an amenable number.

313717172 is a deficient number, since it is larger than the sum of its proper divisors (235287886).

313717172 is a wasteful number, since it uses less digits than its factorization.

313717172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78429297 (or 78429295 counting only the distinct ones).

The product of its digits is 6174, while the sum is 32.

The square root of 313717172 is about 17712.0628951006. The cubic root of 313717172 is about 679.4843062424.

The spelling of 313717172 in words is "three hundred thirteen million, seven hundred seventeen thousand, one hundred seventy-two".