315900311 has 2 divisors, whose sum is σ = 315900312. Its totient is φ = 315900310.

The previous prime is 315900293. The next prime is 315900313. The reversal of 315900311 is 113009513.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 315900311 - 2¹⁴ = 315883927 is a prime.

It is a Sophie Germain prime.

Together with 315900313, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315900313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157950155 + 157950156.

It is an arithmetic number, because the mean of its divisors is an integer number (157950156).

Almost surely, 2^315900311 is an apocalyptic number.

315900311 is a deficient number, since it is larger than the sum of its proper divisors (1).

315900311 is an equidigital number, since it uses as much as digits as its factorization.

315900311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 405, while the sum is 23.

The square root of 315900311 is about 17773.5846412591. The cubic root of 315900311 is about 681.0568276923.

Adding to 315900311 its reverse (113009513), we get a palindrome (428909824).

The spelling of 315900311 in words is "three hundred fifteen million, nine hundred thousand, three hundred eleven".