520034304131 has 4 divisors (see below), whose sum is σ = 520336124952. Its totient is φ = 519732483312.

The previous prime is 520034304109. The next prime is 520034304133. The reversal of 520034304131 is 131403430025.

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 520034304131 - 2²² = 520030109827 is a prime.

It is a super-2 number, since 2×520034304131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 520034304131.

It is not an unprimeable number, because it can be changed into a prime (520034304133) 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 3 ways as a sum of consecutive naturals, for example, 150907826 + ... + 150911271.

It is an arithmetic number, because the mean of its divisors is an integer number (130084031238).

Almost surely, 2^520034304131 is an apocalyptic number.

520034304131 is a deficient number, since it is larger than the sum of its proper divisors (301820821).

520034304131 is a wasteful number, since it uses less digits than its factorization.

520034304131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301820820.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 520034304131 its reverse (131403430025), we get a palindrome (651437734156).

The spelling of 520034304131 in words is "five hundred twenty billion, thirty-four million, three hundred four thousand, one hundred thirty-one".