313213132 has 6 divisors (see below), whose sum is σ = 548122988. Its totient is φ = 156606564.

The previous prime is 313213091. The next prime is 313213169. The reversal of 313213132 is 231312313.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39151638 + ... + 39151645.

Almost surely, 2^313213132 is an apocalyptic number.

It is an amenable number.

313213132 is a deficient number, since it is larger than the sum of its proper divisors (234909856).

313213132 is a wasteful number, since it uses less digits than its factorization.

313213132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78303287 (or 78303285 counting only the distinct ones).

The product of its digits is 324, while the sum is 19.

The square root of 313213132 is about 17697.8284543613. The cubic root of 313213132 is about 679.1202088052.

Adding to 313213132 its reverse (231312313), we get a palindrome (544525445).

It can be divided in two parts, 31321 and 3132, that added together give a triangular number (34453 = T₂₆₂).

The spelling of 313213132 in words is "three hundred thirteen million, two hundred thirteen thousand, one hundred thirty-two".