231057205473225 has 12 divisors (see below), whose sum is σ = 382014579715856. Its totient is φ = 123230509585680.

The previous prime is 231057205473197. The next prime is 231057205473233. The reversal of 231057205473225 is 522374502750132.

It is not a de Polignac number, because 231057205473225 - 2⁷ = 231057205473097 is a prime.

It is a super-2 number, since 2×231057205473225² (a number of 30 digits) contains 22 as substring.

It is a Duffinian 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, 1540381369747 + ... + 1540381369896.

Almost surely, 2^{231057205473225} is an apocalyptic number.

231057205473225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

231057205473225 is a deficient number, since it is larger than the sum of its proper divisors (150957374242631).

231057205473225 is a wasteful number, since it uses less digits than its factorization.

231057205473225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3080762739656 (or 3080762739651 counting only the distinct ones).

The product of its (nonzero) digits is 3528000, while the sum is 48.

The spelling of 231057205473225 in words is "two hundred thirty-one trillion, fifty-seven billion, two hundred five million, four hundred seventy-three thousand, two hundred twenty-five".