231383942 has 8 divisors (see below), whose sum is σ = 347878776. Its totient is φ = 115424352.

The previous prime is 231383921. The next prime is 231383947. The reversal of 231383942 is 249383132.

231383942 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231383947) 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, 132728 + ... + 134459.

It is an arithmetic number, because the mean of its divisors is an integer number (43484847).

Almost surely, 2^231383942 is an apocalyptic number.

231383942 is a deficient number, since it is larger than the sum of its proper divisors (116494834).

231383942 is a wasteful number, since it uses less digits than its factorization.

231383942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267622.

The product of its digits is 31104, while the sum is 35.

The square root of 231383942 is about 15211.3096740550. The cubic root of 231383942 is about 613.9189964121.

The spelling of 231383942 in words is "two hundred thirty-one million, three hundred eighty-three thousand, nine hundred forty-two".