231044152 has 8 divisors (see below), whose sum is σ = 433207800. Its totient is φ = 115522072.

The previous prime is 231044087. The next prime is 231044159. The reversal of 231044152 is 251440132.

231044152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231044159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14440252 + ... + 14440267.

It is an arithmetic number, because the mean of its divisors is an integer number (54150975).

Almost surely, 2^231044152 is an apocalyptic number.

It is an amenable number.

231044152 is a deficient number, since it is larger than the sum of its proper divisors (202163648).

231044152 is a wasteful number, since it uses less digits than its factorization.

231044152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28880525 (or 28880521 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 231044152 is about 15200.1365783338. The cubic root of 231044152 is about 613.6183334683.

Adding to 231044152 its reverse (251440132), we get a palindrome (482484284).

The spelling of 231044152 in words is "two hundred thirty-one million, forty-four thousand, one hundred fifty-two".