315141031 has 2 divisors, whose sum is σ = 315141032. Its totient is φ = 315141030.

The previous prime is 315141017. The next prime is 315141041. The reversal of 315141031 is 130141513.

It is a strong prime.

It is an emirp because it is prime and its reverse (130141513) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 315141031 - 2⁹ = 315140519 is a prime.

It is a super-2 number, since 2×315141031² = 198627738839485922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315141041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157570515 + 157570516.

It is an arithmetic number, because the mean of its divisors is an integer number (157570516).

Almost surely, 2^315141031 is an apocalyptic number.

315141031 is a deficient number, since it is larger than the sum of its proper divisors (1).

315141031 is an equidigital number, since it uses as much as digits as its factorization.

315141031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 315141031 is about 17752.2120030153. The cubic root of 315141031 is about 680.5107401395.

Adding to 315141031 its reverse (130141513), we get a palindrome (445282544).

The spelling of 315141031 in words is "three hundred fifteen million, one hundred forty-one thousand, thirty-one".