313140244 has 6 divisors (see below), whose sum is σ = 547995434. Its totient is φ = 156570120.

The previous prime is 313140227. The next prime is 313140251. The reversal of 313140244 is 442041313.

It can be written as a sum of positive squares in only one way, i.e., 309337744 + 3802500 = 17588^2 + 1950^2 .

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, 39142527 + ... + 39142534.

Almost surely, 2^313140244 is an apocalyptic number.

It is an amenable number.

313140244 is a deficient number, since it is larger than the sum of its proper divisors (234855190).

313140244 is a wasteful number, since it uses less digits than its factorization.

313140244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78285065 (or 78285063 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 313140244 is about 17695.7690988552. The cubic root of 313140244 is about 679.0675252394.

Adding to 313140244 its reverse (442041313), we get a palindrome (755181557).

The spelling of 313140244 in words is "three hundred thirteen million, one hundred forty thousand, two hundred forty-four".