231354032 has 80 divisors (see below), whose sum is σ = 580796160. Its totient is φ = 86697216.

The previous prime is 231354031. The next prime is 231354043. The reversal of 231354032 is 230453132.

231354032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 231353989 and 231354007.

It is not an unprimeable number, because it can be changed into a prime (231354031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23483 + ... + 31845.

It is an arithmetic number, because the mean of its divisors is an integer number (7259952).

Almost surely, 2^231354032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231354032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290398080).

231354032 is an abundant number, since it is smaller than the sum of its proper divisors (349442128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231354032 is a wasteful number, since it uses less digits than its factorization.

231354032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8410 (or 8404 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 231354032 is about 15210.3264922223. The cubic root of 231354032 is about 613.8925423890.

The spelling of 231354032 in words is "two hundred thirty-one million, three hundred fifty-four thousand, thirty-two".