513231910359 has 16 divisors (see below), whose sum is σ = 782949401088. Its totient is φ = 292944729312.

The previous prime is 513231910357. The next prime is 513231910391. The reversal of 513231910359 is 953019132315.

It is not a de Polignac number, because 513231910359 - 2¹ = 513231910357 is a prime.

It is a super-2 number, since 2×513231910359² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 513231910359.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513231910357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13757932 + ... + 13795185.

It is an arithmetic number, because the mean of its divisors is an integer number (48934337568).

Almost surely, 2^513231910359 is an apocalyptic number.

513231910359 is a deficient number, since it is larger than the sum of its proper divisors (269717490729).

513231910359 is a wasteful number, since it uses less digits than its factorization.

513231910359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27554014.

The product of its (nonzero) digits is 109350, while the sum is 42.

The spelling of 513231910359 in words is "five hundred thirteen billion, two hundred thirty-one million, nine hundred ten thousand, three hundred fifty-nine".