231944492 has 12 divisors (see below), whose sum is σ = 437126256. Its totient is φ = 107051280.

The previous prime is 231944473. The next prime is 231944507. The reversal of 231944492 is 294449132.

231944492 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2230184 + ... + 2230287.

It is an arithmetic number, because the mean of its divisors is an integer number (36427188).

Almost surely, 2^231944492 is an apocalyptic number.

It is an amenable number.

231944492 is a deficient number, since it is larger than the sum of its proper divisors (205181764).

231944492 is a wasteful number, since it uses less digits than its factorization.

231944492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4460488 (or 4460486 counting only the distinct ones).

The product of its digits is 62208, while the sum is 38.

The square root of 231944492 is about 15229.7239633553. The cubic root of 231944492 is about 614.4143560093.

The spelling of 231944492 in words is "two hundred thirty-one million, nine hundred forty-four thousand, four hundred ninety-two".