513230342444311 has 4 divisors (see below), whose sum is σ = 543420362588112. Its totient is φ = 483040322300512.

The previous prime is 513230342444257. The next prime is 513230342444341. The reversal of 513230342444311 is 113444243032315.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 513230342444311 - 2²⁷ = 513230208226583 is a prime.

It is a super-2 number, since 2×513230342444311² (a number of 30 digits) 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 (513230342444341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15095010071875 + ... + 15095010071908.

It is an arithmetic number, because the mean of its divisors is an integer number (135855090647028).

Almost surely, 2^{513230342444311} is an apocalyptic number.

513230342444311 is a deficient number, since it is larger than the sum of its proper divisors (30190020143801).

513230342444311 is a wasteful number, since it uses less digits than its factorization.

513230342444311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30190020143800.

The product of its (nonzero) digits is 414720, while the sum is 40.

Adding to 513230342444311 its reverse (113444243032315), we get a palindrome (626674585476626).

The spelling of 513230342444311 in words is "five hundred thirteen trillion, two hundred thirty billion, three hundred forty-two million, four hundred forty-four thousand, three hundred eleven".