313331132 has 6 divisors (see below), whose sum is σ = 548329488. Its totient is φ = 156665564.

The previous prime is 313331129. The next prime is 313331201. The reversal of 313331132 is 231133313.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39166388 + ... + 39166395.

It is an arithmetic number, because the mean of its divisors is an integer number (91388248).

Almost surely, 2^313331132 is an apocalyptic number.

It is an amenable number.

313331132 is a deficient number, since it is larger than the sum of its proper divisors (234998356).

313331132 is a wasteful number, since it uses less digits than its factorization.

313331132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78332787 (or 78332785 counting only the distinct ones).

The product of its digits is 486, while the sum is 20.

The square root of 313331132 is about 17701.1618827692. The cubic root of 313331132 is about 679.2054820745.

Adding to 313331132 its reverse (231133313), we get a palindrome (544464445).

The spelling of 313331132 in words is "three hundred thirteen million, three hundred thirty-one thousand, one hundred thirty-two".