231100352 has 56 divisors (see below), whose sum is σ = 534046176. Its totient is φ = 97164288.

The previous prime is 231100279. The next prime is 231100357. The reversal of 231100352 is 253001132.

231100352 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 (56).

It is a self number, because there is not a number n which added to its sum of digits gives 231100352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231100357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18878 + ... + 28610.

Almost surely, 2^231100352 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 231100352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267023088).

231100352 is an abundant number, since it is smaller than the sum of its proper divisors (302945824).

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

231100352 is an equidigital number, since it uses as much as digits as its factorization.

231100352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9805 (or 9795 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 231100352 is about 15201.9851335278. The cubic root of 231100352 is about 613.6680823357.

Adding to 231100352 its reverse (253001132), we get a palindrome (484101484).

The spelling of 231100352 in words is "two hundred thirty-one million, one hundred thousand, three hundred fifty-two".