231032296 has 64 divisors (see below), whose sum is σ = 485222400. Its totient is φ = 102244800.

The previous prime is 231032293. The next prime is 231032303. The reversal of 231032296 is 692230132.

231032296 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (231032293) 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, 643365 + ... + 643723.

It is an arithmetic number, because the mean of its divisors is an integer number (7581600).

Almost surely, 2^231032296 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 231032296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242611200).

231032296 is an abundant number, since it is smaller than the sum of its proper divisors (254190104).

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

231032296 is a wasteful number, since it uses less digits than its factorization.

231032296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550 (or 546 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 231032296 is about 15199.7465768348. The cubic root of 231032296 is about 613.6078373743.

The spelling of 231032296 in words is "two hundred thirty-one million, thirty-two thousand, two hundred ninety-six".