315830137 has 12 divisors (see below), whose sum is σ = 368736420. Its totient is φ = 269722656.

The previous prime is 315830129. The next prime is 315830143. The reversal of 315830137 is 731038513.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 88906041 + 226924096 = 9429^2 + 15064^2 .

It is not a de Polignac number, because 315830137 - 2³ = 315830129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 315830099 and 315830108.

It is not an unprimeable number, because it can be changed into a prime (315830107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1939 + ... + 25207.

It is an arithmetic number, because the mean of its divisors is an integer number (30728035).

Almost surely, 2^315830137 is an apocalyptic number.

It is an amenable number.

315830137 is a deficient number, since it is larger than the sum of its proper divisors (52906283).

315830137 is a wasteful number, since it uses less digits than its factorization.

315830137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23560 (or 23553 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 315830137 is about 17771.6104222437. The cubic root of 315830137 is about 681.0063940381.

The spelling of 315830137 in words is "three hundred fifteen million, eight hundred thirty thousand, one hundred thirty-seven".