231063225 has 12 divisors (see below), whose sum is σ = 382024656. Its totient is φ = 123233680.

The previous prime is 231063211. The next prime is 231063227. The reversal of 231063225 is 522360132.

It is not a de Polignac number, because 231063225 - 2¹⁴ = 231046841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231063195 and 231063204.

It is not an unprimeable number, because it can be changed into a prime (231063227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1540347 + ... + 1540496.

It is an arithmetic number, because the mean of its divisors is an integer number (31835388).

Almost surely, 2^231063225 is an apocalyptic number.

231063225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

231063225 is a deficient number, since it is larger than the sum of its proper divisors (150961431).

231063225 is a wasteful number, since it uses less digits than its factorization.

231063225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3080856 (or 3080851 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 231063225 is about 15200.7639610646. The cubic root of 231063225 is about 613.6352180051.

The spelling of 231063225 in words is "two hundred thirty-one million, sixty-three thousand, two hundred twenty-five".