315310511 has 2 divisors, whose sum is σ = 315310512. Its totient is φ = 315310510.

The previous prime is 315310493. The next prime is 315310531. The reversal of 315310511 is 115013513.

It is an a-pointer prime, because the next prime (315310531) can be obtained adding 315310511 to its sum of digits (20).

It is a weak prime.

It is an emirp because it is prime and its reverse (115013513) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 315310511 - 2⁶ = 315310447 is a prime.

It is a super-2 number, since 2×315310511² = 198841436694162242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315310531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157655255 + 157655256.

It is an arithmetic number, because the mean of its divisors is an integer number (157655256).

Almost surely, 2^315310511 is an apocalyptic number.

315310511 is a deficient number, since it is larger than the sum of its proper divisors (1).

315310511 is an equidigital number, since it uses as much as digits as its factorization.

315310511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225, while the sum is 20.

The square root of 315310511 is about 17756.9848510382. The cubic root of 315310511 is about 680.6327091207.

The spelling of 315310511 in words is "three hundred fifteen million, three hundred ten thousand, five hundred eleven".