431312530525 has 12 divisors (see below), whose sum is σ = 566287981812. Its totient is φ = 324752963840.

The previous prime is 431312530513. The next prime is 431312530531. The reversal of 431312530525 is 525035213134.

It can be written as a sum of positive squares in 6 ways, for example, as 13451128441 + 417861402084 = 115979^2 + 646422^2 .

It is not a de Polignac number, because 431312530525 - 2⁹ = 431312530013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 507426082 + ... + 507426931.

It is an arithmetic number, because the mean of its divisors is an integer number (47190665151).

Almost surely, 2^431312530525 is an apocalyptic number.

It is an amenable number.

431312530525 is a deficient number, since it is larger than the sum of its proper divisors (134975451287).

431312530525 is a wasteful number, since it uses less digits than its factorization.

431312530525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014853040 (or 1014853035 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 34.

Adding to 431312530525 its reverse (525035213134), we get a palindrome (956347743659).

The spelling of 431312530525 in words is "four hundred thirty-one billion, three hundred twelve million, five hundred thirty thousand, five hundred twenty-five".