315031343 has 12 divisors (see below), whose sum is σ = 362715048. Its totient is φ = 271315440.

The previous prime is 315031337. The next prime is 315031351. The reversal of 315031343 is 343130513.

It is a happy number.

It is not a de Polignac number, because 315031343 - 2²⁴ = 298254127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315031303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35696 + ... + 43637.

It is an arithmetic number, because the mean of its divisors is an integer number (30226254).

Almost surely, 2^315031343 is an apocalyptic number.

315031343 is a deficient number, since it is larger than the sum of its proper divisors (47683705).

315031343 is a wasteful number, since it uses less digits than its factorization.

315031343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79382 (or 79363 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 315031343 is about 17749.1223163288. The cubic root of 315031343 is about 680.4317781124.

Adding to 315031343 its reverse (343130513), we get a palindrome (658161856).

The spelling of 315031343 in words is "three hundred fifteen million, thirty-one thousand, three hundred forty-three".