313538132 has 6 divisors (see below), whose sum is σ = 548691738. Its totient is φ = 156769064.

The previous prime is 313538131. The next prime is 313538143. The reversal of 313538132 is 231835313.

It can be written as a sum of positive squares in only one way, i.e., 184579396 + 128958736 = 13586^2 + 11356^2 .

It is a junction number, because it is equal to n+sod(n) for n = 313538095 and 313538104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313538131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39192263 + ... + 39192270.

It is an arithmetic number, because the mean of its divisors is an integer number (91448623).

Almost surely, 2^313538132 is an apocalyptic number.

It is an amenable number.

313538132 is a deficient number, since it is larger than the sum of its proper divisors (235153606).

313538132 is a wasteful number, since it uses less digits than its factorization.

313538132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78384537 (or 78384535 counting only the distinct ones).

The product of its digits is 6480, while the sum is 29.

The square root of 313538132 is about 17707.0079911881. The cubic root of 313538132 is about 679.3550199176.

The spelling of 313538132 in words is "three hundred thirteen million, five hundred thirty-eight thousand, one hundred thirty-two".