313133012 has 6 divisors (see below), whose sum is σ = 547982778. Its totient is φ = 156566504.

The previous prime is 313132999. The next prime is 313133033. The reversal of 313133012 is 210331313.

It can be written as a sum of positive squares in only one way, i.e., 183765136 + 129367876 = 13556^2 + 11374^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39141623 + ... + 39141630.

It is an arithmetic number, because the mean of its divisors is an integer number (91330463).

Almost surely, 2^313133012 is an apocalyptic number.

It is an amenable number.

313133012 is a deficient number, since it is larger than the sum of its proper divisors (234849766).

313133012 is a wasteful number, since it uses less digits than its factorization.

313133012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78283257 (or 78283255 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 313133012 is about 17695.5647550453. The cubic root of 313133012 is about 679.0622974921.

Adding to 313133012 its reverse (210331313), we get a palindrome (523464325).

The spelling of 313133012 in words is "three hundred thirteen million, one hundred thirty-three thousand, twelve".