231083903 has 4 divisors (see below), whose sum is σ = 232004808. Its totient is φ = 230163000.

The previous prime is 231083891. The next prime is 231083911. The reversal of 231083903 is 309380132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 231083903 - 2⁴ = 231083887 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 (231088903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 460076 + ... + 460577.

It is an arithmetic number, because the mean of its divisors is an integer number (58001202).

Almost surely, 2^231083903 is an apocalyptic number.

231083903 is a deficient number, since it is larger than the sum of its proper divisors (920905).

231083903 is an equidigital number, since it uses as much as digits as its factorization.

231083903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920904.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 231083903 is about 15201.4441090312. Note that the first 3 decimals coincide. The cubic root of 231083903 is about 613.6535223322.

The spelling of 231083903 in words is "two hundred thirty-one million, eighty-three thousand, nine hundred three".