231227149884025 has 9 divisors (see below), whose sum is σ = 286721760134383. Its totient is φ = 184981659082600.

The previous prime is 231227149884011. The next prime is 231227149884079. The reversal of 231227149884025 is 520488941722132.

The square root of 231227149884025 is 15206155.

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

It can be written as a sum of positive squares in only one way, i.e., 83241773958249 + 147985375925776 = 9123693^2 + 12164924^2 .

It is not a de Polignac number, because 231227149884025 - 2¹³ = 231227149875833 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 74510160 + ... + 77551390.

Almost surely, 2^{231227149884025} is an apocalyptic number.

231227149884025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

231227149884025 is the 15206155-th square number.

231227149884025 is the 7603078-th centered octagonal number.

It is an amenable number.

231227149884025 is a deficient number, since it is larger than the sum of its proper divisors (55494610250358).

231227149884025 is an frugal number, since it uses more digits than its factorization.

231227149884025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6082472 (or 3041236 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 58.

The spelling of 231227149884025 in words is "two hundred thirty-one trillion, two hundred twenty-seven billion, one hundred forty-nine million, eight hundred eighty-four thousand, twenty-five".