531323122316 has 24 divisors (see below), whose sum is σ = 1082696176800. Its totient is φ = 223413495552.

The previous prime is 531323122261. The next prime is 531323122327. The reversal of 531323122316 is 613221323135.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179015741 + ... + 179018708.

It is an arithmetic number, because the mean of its divisors is an integer number (45112340700).

Almost surely, 2^531323122316 is an apocalyptic number.

It is an amenable number.

531323122316 is an abundant number, since it is smaller than the sum of its proper divisors (551373054484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

531323122316 is a wasteful number, since it uses less digits than its factorization.

531323122316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358034513 (or 358034511 counting only the distinct ones).

The product of its digits is 19440, while the sum is 32.

The spelling of 531323122316 in words is "five hundred thirty-one billion, three hundred twenty-three million, one hundred twenty-two thousand, three hundred sixteen".