315140233 has 2 divisors, whose sum is σ = 315140234. Its totient is φ = 315140232.

The previous prime is 315140219. The next prime is 315140239. The reversal of 315140233 is 332041513.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 203689984 + 111450249 = 14272^2 + 10557^2 .

It is a cyclic number.

It is not a de Polignac number, because 315140233 - 2⁵ = 315140201 is a prime.

It is not a weakly prime, because it can be changed into another prime (315140239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157570116 + 157570117.

It is an arithmetic number, because the mean of its divisors is an integer number (157570117).

Almost surely, 2^315140233 is an apocalyptic number.

It is an amenable number.

315140233 is a deficient number, since it is larger than the sum of its proper divisors (1).

315140233 is an equidigital number, since it uses as much as digits as its factorization.

315140233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 315140233 is about 17752.1895269288. The cubic root of 315140233 is about 680.5101657427.

Adding to 315140233 its reverse (332041513), we get a palindrome (647181746).

The spelling of 315140233 in words is "three hundred fifteen million, one hundred forty thousand, two hundred thirty-three".