315241431 has 8 divisors (see below), whose sum is σ = 421186944. Its totient is φ = 209728440.

The previous prime is 315241429. The next prime is 315241447. The reversal of 315241431 is 134142513.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 315241431 - 2¹ = 315241429 is a prime.

It is a super-2 number, since 2×315241431² = 198754319637855522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315241631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106425 + ... + 109346.

It is an arithmetic number, because the mean of its divisors is an integer number (52648368).

Almost surely, 2^315241431 is an apocalyptic number.

315241431 is a deficient number, since it is larger than the sum of its proper divisors (105945513).

315241431 is a wasteful number, since it uses less digits than its factorization.

315241431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216261.

The product of its digits is 1440, while the sum is 24.

The square root of 315241431 is about 17755.0395944363. The cubic root of 315241431 is about 680.5829998764.

Adding to 315241431 its reverse (134142513), we get a palindrome (449383944).

The spelling of 315241431 in words is "three hundred fifteen million, two hundred forty-one thousand, four hundred thirty-one".