531230307492 has 48 divisors (see below), whose sum is σ = 1346865766400. Its totient is φ = 162345422880.

The previous prime is 531230307383. The next prime is 531230307521. The reversal of 531230307492 is 294703032135.

It is a self number, because there is not a number n which added to its sum of digits gives 531230307492.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37572892 + ... + 37587027.

Almost surely, 2^531230307492 is an apocalyptic number.

It is an amenable number.

531230307492 is an abundant number, since it is smaller than the sum of its proper divisors (815635458908).

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

531230307492 is a wasteful number, since it uses less digits than its factorization.

531230307492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75159976 (or 75159974 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 39.

The spelling of 531230307492 in words is "five hundred thirty-one billion, two hundred thirty million, three hundred seven thousand, four hundred ninety-two".