531433513097 has 4 divisors (see below), whose sum is σ = 532835712720. Its totient is φ = 530031313476.

The previous prime is 531433513073. The next prime is 531433513099. The reversal of 531433513097 is 790315334135.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 531433513097 - 2⁶ = 531433513033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (531433513099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 701099243 + ... + 701100000.

It is an arithmetic number, because the mean of its divisors is an integer number (133208928180).

Almost surely, 2^531433513097 is an apocalyptic number.

It is an amenable number.

531433513097 is a deficient number, since it is larger than the sum of its proper divisors (1402199623).

531433513097 is a wasteful number, since it uses less digits than its factorization.

531433513097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402199622.

The product of its (nonzero) digits is 510300, while the sum is 44.

The spelling of 531433513097 in words is "five hundred thirty-one billion, four hundred thirty-three million, five hundred thirteen thousand, ninety-seven".