231902975 has 6 divisors (see below), whose sum is σ = 287559720. Its totient is φ = 185522360.

The previous prime is 231902963. The next prime is 231903031. The reversal of 231902975 is 579209132.

It is not a de Polignac number, because 231902975 - 2¹⁴ = 231886591 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4638035 + ... + 4638084.

It is an arithmetic number, because the mean of its divisors is an integer number (47926620).

Almost surely, 2^231902975 is an apocalyptic number.

231902975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

231902975 is a deficient number, since it is larger than the sum of its proper divisors (55656745).

231902975 is an equidigital number, since it uses as much as digits as its factorization.

231902975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9276129 (or 9276124 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 231902975 is about 15228.3608769953. The cubic root of 231902975 is about 614.3776947048.

The spelling of 231902975 in words is "two hundred thirty-one million, nine hundred two thousand, nine hundred seventy-five".