531133104531 has 16 divisors (see below), whose sum is σ = 745014297600. Its totient is φ = 336084221088.

The previous prime is 531133104517. The next prime is 531133104559. The reversal of 531133104531 is 135401331135.

It is not a de Polignac number, because 531133104531 - 2²² = 531128910227 is a prime.

It is a super-2 number, since 2×531133104531² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (531133104511) 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, 51731971 + ... + 51742236.

It is an arithmetic number, because the mean of its divisors is an integer number (46563393600).

Almost surely, 2^531133104531 is an apocalyptic number.

531133104531 is a deficient number, since it is larger than the sum of its proper divisors (213881193069).

531133104531 is a wasteful number, since it uses less digits than its factorization.

531133104531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103474298.

The product of its (nonzero) digits is 8100, while the sum is 30.

Adding to 531133104531 its reverse (135401331135), we get a palindrome (666534435666).

The spelling of 531133104531 in words is "five hundred thirty-one billion, one hundred thirty-three million, one hundred four thousand, five hundred thirty-one".