315365233 has 2 divisors, whose sum is σ = 315365234. Its totient is φ = 315365232.

The previous prime is 315365203. The next prime is 315365279. The reversal of 315365233 is 332563513.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 284529424 + 30835809 = 16868^2 + 5553^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315365233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 315365195 and 315365204.

It is not a weakly prime, because it can be changed into another prime (315365203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157682616 + 157682617.

It is an arithmetic number, because the mean of its divisors is an integer number (157682617).

Almost surely, 2^315365233 is an apocalyptic number.

It is an amenable number.

315365233 is a deficient number, since it is larger than the sum of its proper divisors (1).

315365233 is an equidigital number, since it uses as much as digits as its factorization.

315365233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24300, while the sum is 31.

The square root of 315365233 is about 17758.5256426315. The cubic root of 315365233 is about 680.6720813452.

It can be divided in two parts, 3153 and 65233, that added together give a palindrome (68386).

The spelling of 315365233 in words is "three hundred fifteen million, three hundred sixty-five thousand, two hundred thirty-three".