313421764 has 6 divisors (see below), whose sum is σ = 548488094. Its totient is φ = 156710880.

The previous prime is 313421723. The next prime is 313421767. The reversal of 313421764 is 467124313.

It can be written as a sum of positive squares in only one way, i.e., 167495364 + 145926400 = 12942^2 + 12080^2 .

It is not an unprimeable number, because it can be changed into a prime (313421767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39177717 + ... + 39177724.

Almost surely, 2^313421764 is an apocalyptic number.

It is an amenable number.

313421764 is a deficient number, since it is larger than the sum of its proper divisors (235066330).

313421764 is a wasteful number, since it uses less digits than its factorization.

313421764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78355445 (or 78355443 counting only the distinct ones).

The product of its digits is 12096, while the sum is 31.

The square root of 313421764 is about 17703.7217556083. The cubic root of 313421764 is about 679.2709631909.

The spelling of 313421764 in words is "three hundred thirteen million, four hundred twenty-one thousand, seven hundred sixty-four".