313356445 has 4 divisors (see below), whose sum is σ = 376027740. Its totient is φ = 250685152.

The previous prime is 313356443. The next prime is 313356499. The reversal of 313356445 is 544653313.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 185259321 + 128097124 = 13611^2 + 11318^2 .

It is a cyclic number.

It is not a de Polignac number, because 313356445 - 2¹ = 313356443 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 313356445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313356443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31335640 + ... + 31335649.

It is an arithmetic number, because the mean of its divisors is an integer number (94006935).

Almost surely, 2^313356445 is an apocalyptic number.

It is an amenable number.

313356445 is a deficient number, since it is larger than the sum of its proper divisors (62671295).

313356445 is an equidigital number, since it uses as much as digits as its factorization.

313356445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62671294.

The product of its digits is 64800, while the sum is 34.

The square root of 313356445 is about 17701.8768778907. The cubic root of 313356445 is about 679.2237718470.

The spelling of 313356445 in words is "three hundred thirteen million, three hundred fifty-six thousand, four hundred forty-five".