9431133130225 has 27 divisors (see below), whose sum is σ = 12084629545089. Its totient is φ = 7301153901600.

The previous prime is 9431133130183. The next prime is 9431133130231. The reversal of 9431133130225 is 5220313311349.

The square root of 9431133130225 is 3071015.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 5575156825329 + 3855976304896 = 2361177^2 + 1963664^2 .

It is not a de Polignac number, because 9431133130225 - 2⁴¹ = 7232109874673 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 475997419 + ... + 476017231.

Almost surely, 2^{9431133130225} is an apocalyptic number.

9431133130225 is the 3071015-th square number.

9431133130225 is the 1535508-th centered octagonal number.

It is an amenable number.

9431133130225 is a deficient number, since it is larger than the sum of its proper divisors (2653496414864).

9431133130225 is an frugal number, since it uses more digits than its factorization.

9431133130225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39698 (or 19849 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 37.

The spelling of 9431133130225 in words is "nine trillion, four hundred thirty-one billion, one hundred thirty-three million, one hundred thirty thousand, two hundred twenty-five".