231013320745425 has 24 divisors (see below), whose sum is σ = 384285226251744. Its totient is φ = 122451232584960.

The previous prime is 231013320745423. The next prime is 231013320745469. The reversal of 231013320745425 is 524547023310132.

It is not a de Polignac number, because 231013320745425 - 2¹ = 231013320745423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231013320745423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9448385352 + ... + 9448409801.

It is an arithmetic number, because the mean of its divisors is an integer number (16011884427156).

Almost surely, 2^{231013320745425} is an apocalyptic number.

231013320745425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

231013320745425 is a deficient number, since it is larger than the sum of its proper divisors (153271905506319).

231013320745425 is a wasteful number, since it uses less digits than its factorization.

231013320745425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18896795329 (or 18896795324 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 42.

The spelling of 231013320745425 in words is "two hundred thirty-one trillion, thirteen billion, three hundred twenty million, seven hundred forty-five thousand, four hundred twenty-five".