513431341 has 6 divisors (see below), whose sum is σ = 531747242. Its totient is φ = 495726000.

The previous prime is 513431339. The next prime is 513431353. The reversal of 513431341 is 143134315.

It can be written as a sum of positive squares in 3 ways, for example, as 27405225 + 486026116 = 5235^2 + 22046^2 .

It is not a de Polignac number, because 513431341 - 2¹ = 513431339 is a prime.

It is a super-2 number, since 2×513431341² = 527223483842116562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513431371) 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 5 ways as a sum of consecutive naturals, for example, 304410 + ... + 306091.

Almost surely, 2^513431341 is an apocalyptic number.

It is an amenable number.

513431341 is a deficient number, since it is larger than the sum of its proper divisors (18315901).

513431341 is an equidigital number, since it uses as much as digits as its factorization.

513431341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610559 (or 610530 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 513431341 is about 22659.0233902523. The cubic root of 513431341 is about 800.7447964867.

Adding to 513431341 its reverse (143134315), we get a palindrome (656565656).

The spelling of 513431341 in words is "five hundred thirteen million, four hundred thirty-one thousand, three hundred forty-one".