503513023351131 has 6 divisors (see below), whose sum is σ = 727296589284980. Its totient is φ = 335675348900748.

The previous prime is 503513023351099. The next prime is 503513023351141. The reversal of 503513023351131 is 131153320315305.

503513023351131 is a `hidden beast` number, since 5 + 0 + 3 + 5 + 1 + 302 + 335 + 1 + 13 + 1 = 666.

It is not a de Polignac number, because 503513023351131 - 2⁵ = 503513023351099 is a prime.

It is a super-2 number, since 2×503513023351131² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (503513023351141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27972945741721 + ... + 27972945741738.

Almost surely, 2^{503513023351131} is an apocalyptic number.

503513023351131 is a deficient number, since it is larger than the sum of its proper divisors (223783565933849).

503513023351131 is a wasteful number, since it uses less digits than its factorization.

503513023351131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55945891483465 (or 55945891483462 counting only the distinct ones).

The product of its (nonzero) digits is 60750, while the sum is 36.

Adding to 503513023351131 its reverse (131153320315305), we get a palindrome (634666343666436).

The spelling of 503513023351131 in words is "five hundred three trillion, five hundred thirteen billion, twenty-three million, three hundred fifty-one thousand, one hundred thirty-one".