313845911 has 2 divisors, whose sum is σ = 313845912. Its totient is φ = 313845910.

The previous prime is 313845901. The next prime is 313845919. The reversal of 313845911 is 119548313.

It is a strong prime.

It is an emirp because it is prime and its reverse (119548313) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313845911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313845919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156922955 + 156922956.

It is an arithmetic number, because the mean of its divisors is an integer number (156922956).

Almost surely, 2^313845911 is an apocalyptic number.

313845911 is a deficient number, since it is larger than the sum of its proper divisors (1).

313845911 is an equidigital number, since it uses as much as digits as its factorization.

313845911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 35.

The square root of 313845911 is about 17715.6967404616. The cubic root of 313845911 is about 679.5772393840.

The spelling of 313845911 in words is "three hundred thirteen million, eight hundred forty-five thousand, nine hundred eleven".