231133364 has 96 divisors (see below), whose sum is σ = 528595200. Its totient is φ = 85800960.

The previous prime is 231133351. The next prime is 231133367. The reversal of 231133364 is 463331132.

It is a happy number.

231133364 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231133367) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1009202 + ... + 1009430.

It is an arithmetic number, because the mean of its divisors is an integer number (5506200).

Almost surely, 2^231133364 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 231133364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264297600).

231133364 is an abundant number, since it is smaller than the sum of its proper divisors (297461836).

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

231133364 is a wasteful number, since it uses less digits than its factorization.

231133364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393 (or 391 counting only the distinct ones).

The product of its digits is 3888, while the sum is 26.

The square root of 231133364 is about 15203.0708740044. The cubic root of 231133364 is about 613.6973011664.

Adding to 231133364 its reverse (463331132), we get a palindrome (694464496).

The spelling of 231133364 in words is "two hundred thirty-one million, one hundred thirty-three thousand, three hundred sixty-four".