513031339 has 2 divisors, whose sum is σ = 513031340. Its totient is φ = 513031338.

The previous prime is 513031231. The next prime is 513031397. The reversal of 513031339 is 933130315.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 513031339 - 2¹¹ = 513029291 is a prime.

It is a super-2 number, since 2×513031339² = 526402309592265842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (513031139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256515669 + 256515670.

It is an arithmetic number, because the mean of its divisors is an integer number (256515670).

Almost surely, 2^513031339 is an apocalyptic number.

513031339 is a deficient number, since it is larger than the sum of its proper divisors (1).

513031339 is an equidigital number, since it uses as much as digits as its factorization.

513031339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3645, while the sum is 28.

The square root of 513031339 is about 22650.1951205724. The cubic root of 513031339 is about 800.5367954619.

The spelling of 513031339 in words is "five hundred thirteen million, thirty-one thousand, three hundred thirty-nine".