531330031101 has 12 divisors (see below), whose sum is σ = 747688798752. Its totient is φ = 335576861064.

The previous prime is 531330031079. The next prime is 531330031103. The reversal of 531330031101 is 101130033135.

It is not a de Polignac number, because 531330031101 - 2²¹ = 531327933949 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531330031103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 245303641 + ... + 245305806.

It is an arithmetic number, because the mean of its divisors is an integer number (62307399896).

Almost surely, 2^531330031101 is an apocalyptic number.

It is an amenable number.

531330031101 is a deficient number, since it is larger than the sum of its proper divisors (216358767651).

531330031101 is a wasteful number, since it uses less digits than its factorization.

531330031101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490609488 (or 490609469 counting only the distinct ones).

The product of its (nonzero) digits is 405, while the sum is 21.

Adding to 531330031101 its reverse (101130033135), we get a palindrome (632460064236).

The spelling of 531330031101 in words is "five hundred thirty-one billion, three hundred thirty million, thirty-one thousand, one hundred one".