231349984 has 12 divisors (see below), whose sum is σ = 455470344. Its totient is φ = 115674976.

The previous prime is 231349961. The next prime is 231349997. The reversal of 231349984 is 489943132.

231349984 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 231349984.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3614812 + ... + 3614875.

It is an arithmetic number, because the mean of its divisors is an integer number (37955862).

Almost surely, 2^231349984 is an apocalyptic number.

It is an amenable number.

231349984 is a deficient number, since it is larger than the sum of its proper divisors (224120360).

231349984 is an equidigital number, since it uses as much as digits as its factorization.

231349984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7229697 (or 7229689 counting only the distinct ones).

The product of its digits is 186624, while the sum is 43.

The square root of 231349984 is about 15210.1934241482. The cubic root of 231349984 is about 613.8889619435. Note that the first 3 decimals are identical.

The spelling of 231349984 in words is "two hundred thirty-one million, three hundred forty-nine thousand, nine hundred eighty-four".