231200975 has 12 divisors (see below), whose sum is σ = 294438744. Its totient is φ = 179961120.

The previous prime is 231200971. The next prime is 231201011. The reversal of 231200975 is 579002132.

It is not a de Polignac number, because 231200975 - 2² = 231200971 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231200971) 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, 124049 + ... + 125898.

It is an arithmetic number, because the mean of its divisors is an integer number (24536562).

Almost surely, 2^231200975 is an apocalyptic number.

231200975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

231200975 is a deficient number, since it is larger than the sum of its proper divisors (63237769).

231200975 is a wasteful number, since it uses less digits than its factorization.

231200975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249994 (or 249989 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 231200975 is about 15205.2943082336. The cubic root of 231200975 is about 613.7571347943.

The spelling of 231200975 in words is "two hundred thirty-one million, two hundred thousand, nine hundred seventy-five".