231924112225 has 81 divisors (see below), whose sum is σ = 323131090329. Its totient is φ = 165048811200.

The previous prime is 231924112201. The next prime is 231924112261. The reversal of 231924112225 is 522211429132.

The square root of 231924112225 is 481585.

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 59778783009 + 172145329216 = 244497^2 + 414904^2 .

It is not a de Polignac number, because 231924112225 - 2⁵ = 231924112193 is a prime.

Its product of digits (17280) is a multiple of the sum of its prime divisors (288).

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 970393656 + ... + 970393894.

Almost surely, 2^231924112225 is an apocalyptic number.

231924112225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

231924112225 is the 481585-th square number.

231924112225 is the 240793-rd centered octagonal number.

It is an amenable number.

231924112225 is a deficient number, since it is larger than the sum of its proper divisors (91206978104).

231924112225 is an equidigital number, since it uses as much as digits as its factorization.

231924112225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576 (or 288 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The spelling of 231924112225 in words is "two hundred thirty-one billion, nine hundred twenty-four million, one hundred twelve thousand, two hundred twenty-five".