313941956 has 6 divisors (see below), whose sum is σ = 549398430. Its totient is φ = 156970976.

The previous prime is 313941937. The next prime is 313941983. The reversal of 313941956 is 659149313.

It can be written as a sum of positive squares in only one way, i.e., 312582400 + 1359556 = 17680^2 + 1166^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39242741 + ... + 39242748.

It is an arithmetic number, because the mean of its divisors is an integer number (91566405).

Almost surely, 2^313941956 is an apocalyptic number.

It is an amenable number.

313941956 is a deficient number, since it is larger than the sum of its proper divisors (235456474).

313941956 is a wasteful number, since it uses less digits than its factorization.

313941956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78485493 (or 78485491 counting only the distinct ones).

The product of its digits is 87480, while the sum is 41.

The square root of 313941956 is about 17718.4072647628. The cubic root of 313941956 is about 679.6465550754.

The spelling of 313941956 in words is "three hundred thirteen million, nine hundred forty-one thousand, nine hundred fifty-six".