513031315 has 8 divisors (see below), whose sum is σ = 636866640. Its totient is φ = 396272352.

The previous prime is 513031231. The next prime is 513031339. The reversal of 513031315 is 513130315.

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

It is a cyclic number.

It is not a de Polignac number, because 513031315 - 2¹⁵ = 512998547 is a prime.

It is a super-2 number, since 2×513031315² = 526402260341258450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1768929 + ... + 1769218.

It is an arithmetic number, because the mean of its divisors is an integer number (79608330).

Almost surely, 2^513031315 is an apocalyptic number.

513031315 is a deficient number, since it is larger than the sum of its proper divisors (123835325).

513031315 is a wasteful number, since it uses less digits than its factorization.

513031315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3538181.

The product of its (nonzero) digits is 675, while the sum is 22.

The square root of 513031315 is about 22650.1945907756. The cubic root of 513031315 is about 800.5367829787.

The spelling of 513031315 in words is "five hundred thirteen million, thirty-one thousand, three hundred fifteen".