531434324331 has 8 divisors (see below), whose sum is σ = 787310110160. Its totient is φ = 354289549536.

The previous prime is 531434324327. The next prime is 531434324363. The reversal of 531434324331 is 133423434135.

531434324331 is a `hidden beast` number, since 5 + 314 + 3 + 4 + 3 + 2 + 4 + 331 = 666.

It is not a de Polignac number, because 531434324331 - 2² = 531434324327 is a prime.

It is a super-2 number, since 2×531434324331² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (531434324371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9841376350 + ... + 9841376403.

It is an arithmetic number, because the mean of its divisors is an integer number (98413763770).

Almost surely, 2^531434324331 is an apocalyptic number.

531434324331 is a deficient number, since it is larger than the sum of its proper divisors (255875785829).

531434324331 is a wasteful number, since it uses less digits than its factorization.

531434324331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19682752762 (or 19682752756 counting only the distinct ones).

The product of its digits is 155520, while the sum is 36.

Adding to 531434324331 its reverse (133423434135), we get a palindrome (664857758466).

The spelling of 531434324331 in words is "five hundred thirty-one billion, four hundred thirty-four million, three hundred twenty-four thousand, three hundred thirty-one".