513020114355531 has 32 divisors (see below), whose sum is σ = 694367878643712. Its totient is φ = 336881096618400.

The previous prime is 513020114355521. The next prime is 513020114355547. The reversal of 513020114355531 is 135553411020315.

It is not a de Polignac number, because 513020114355531 - 2²² = 513020110161227 is a prime.

It is a super-2 number, since 2×513020114355531² (a number of 30 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 513020114355531.

It is not an unprimeable number, because it can be changed into a prime (513020114355521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76077766 + ... + 82546148.

It is an arithmetic number, because the mean of its divisors is an integer number (21698996207616).

Almost surely, 2^{513020114355531} is an apocalyptic number.

513020114355531 is a deficient number, since it is larger than the sum of its proper divisors (181347764288181).

513020114355531 is a wasteful number, since it uses less digits than its factorization.

513020114355531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6469863.

The product of its (nonzero) digits is 135000, while the sum is 39.

Adding to 513020114355531 its reverse (135553411020315), we get a palindrome (648573525375846).

The spelling of 513020114355531 in words is "five hundred thirteen trillion, twenty billion, one hundred fourteen million, three hundred fifty-five thousand, five hundred thirty-one".