315232043 has 12 divisors (see below), whose sum is σ = 382643280. Its totient is φ = 258450192.

The previous prime is 315232007. The next prime is 315232051. The reversal of 315232043 is 340232513.

It is not a de Polignac number, because 315232043 - 2¹² = 315227947 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315232543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138728 + ... + 140981.

It is an arithmetic number, because the mean of its divisors is an integer number (31886940).

Almost surely, 2^315232043 is an apocalyptic number.

315232043 is a deficient number, since it is larger than the sum of its proper divisors (67411237).

315232043 is a wasteful number, since it uses less digits than its factorization.

315232043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279746 (or 279739 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 315232043 is about 17754.7752168255. The cubic root of 315232043 is about 680.5762438095.

Adding to 315232043 its reverse (340232513), we get a palindrome (655464556).

The spelling of 315232043 in words is "three hundred fifteen million, two hundred thirty-two thousand, forty-three".