231869242 has 8 divisors (see below), whose sum is σ = 379422432. Its totient is φ = 105395100.

The previous prime is 231869237. The next prime is 231869249. The reversal of 231869242 is 242968132.

It is a happy number.

231869242 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 not an unprimeable number, because it can be changed into a prime (231869249) 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, 5269734 + ... + 5269777.

It is an arithmetic number, because the mean of its divisors is an integer number (47427804).

Almost surely, 2^231869242 is an apocalyptic number.

231869242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

231869242 is a deficient number, since it is larger than the sum of its proper divisors (147553190).

231869242 is a wasteful number, since it uses less digits than its factorization.

231869242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10539524.

The product of its digits is 41472, while the sum is 37.

The square root of 231869242 is about 15227.2532651165. The cubic root of 231869242 is about 614.3479037865.

The spelling of 231869242 in words is "two hundred thirty-one million, eight hundred sixty-nine thousand, two hundred forty-two".