313195845 has 16 divisors (see below), whose sum is σ = 530591040. Its totient is φ = 157211904.

The previous prime is 313195823. The next prime is 313195847. The reversal of 313195845 is 548591313.

It is not a de Polignac number, because 313195845 - 2⁶ = 313195781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313195847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 613855 + ... + 614364.

It is an arithmetic number, because the mean of its divisors is an integer number (33161940).

Almost surely, 2^313195845 is an apocalyptic number.

It is an amenable number.

313195845 is a deficient number, since it is larger than the sum of its proper divisors (217395195).

313195845 is a wasteful number, since it uses less digits than its factorization.

313195845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228244.

The product of its digits is 64800, while the sum is 39.

The square root of 313195845 is about 17697.3400543698. The cubic root of 313195845 is about 679.1077144727.

The spelling of 313195845 in words is "three hundred thirteen million, one hundred ninety-five thousand, eight hundred forty-five".