231262385 has 24 divisors (see below), whose sum is σ = 294328320. Its totient is φ = 174339648.

The previous prime is 231262363. The next prime is 231262393. The reversal of 231262385 is 583262132.

It is not a de Polignac number, because 231262385 - 2¹⁸ = 231000241 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 180176 + ... + 181454.

It is an arithmetic number, because the mean of its divisors is an integer number (12263680).

Almost surely, 2^231262385 is an apocalyptic number.

It is an amenable number.

231262385 is a deficient number, since it is larger than the sum of its proper divisors (63065935).

231262385 is a wasteful number, since it uses less digits than its factorization.

231262385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385 (or 1356 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 231262385 is about 15207.3135365850. The cubic root of 231262385 is about 613.8114706221.

The spelling of 231262385 in words is "two hundred thirty-one million, two hundred sixty-two thousand, three hundred eighty-five".