503132223131531 has 16 divisors (see below), whose sum is σ = 600023891579904. Its totient is φ = 412495418680224.

The previous prime is 503132223131513. The next prime is 503132223131557. The reversal of 503132223131531 is 135131322231305.

It is a cyclic number.

It is not a de Polignac number, because 503132223131531 - 2¹⁰ = 503132223130507 is a prime.

It is a super-2 number, since 2×503132223131531² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 503132223131491 and 503132223131500.

It is not an unprimeable number, because it can be changed into a prime (503132223101531) 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, 33439751 + ... + 46092096.

It is an arithmetic number, because the mean of its divisors is an integer number (37501493223744).

Almost surely, 2^{503132223131531} is an apocalyptic number.

503132223131531 is a deficient number, since it is larger than the sum of its proper divisors (96891668448373).

503132223131531 is a wasteful number, since it uses less digits than its factorization.

503132223131531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79571170.

The product of its (nonzero) digits is 48600, while the sum is 35.

Adding to 503132223131531 its reverse (135131322231305), we get a palindrome (638263545362836).

The spelling of 503132223131531 in words is "five hundred three trillion, one hundred thirty-two billion, two hundred twenty-three million, one hundred thirty-one thousand, five hundred thirty-one".