231903883 has 6 divisors (see below), whose sum is σ = 235771692. Its totient is φ = 228098520.

The previous prime is 231903877. The next prime is 231903967. The reversal of 231903883 is 388309132.

231903883 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-231903883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231903803) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27441 + ... + 34882.

It is an arithmetic number, because the mean of its divisors is an integer number (39295282).

Almost surely, 2^231903883 is an apocalyptic number.

231903883 is a deficient number, since it is larger than the sum of its proper divisors (3867809).

231903883 is an frugal number, since it uses more digits than its factorization.

231903883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62445 (or 62384 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 231903883 is about 15228.3906897610. The cubic root of 231903883 is about 614.3784965548.

The spelling of 231903883 in words is "two hundred thirty-one million, nine hundred three thousand, eight hundred eighty-three".