231134356 has 12 divisors (see below), whose sum is σ = 405265140. Its totient is φ = 115344320.

The previous prime is 231134353. The next prime is 231134377. The reversal of 231134356 is 653431132.

231134356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 121220100 + 109914256 = 11010^2 + 10484^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231134353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53371 + ... + 57538.

It is an arithmetic number, because the mean of its divisors is an integer number (33772095).

Almost surely, 2^231134356 is an apocalyptic number.

It is an amenable number.

231134356 is a deficient number, since it is larger than the sum of its proper divisors (174130784).

231134356 is a wasteful number, since it uses less digits than its factorization.

231134356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111434 (or 111432 counting only the distinct ones).

The product of its digits is 6480, while the sum is 28.

The square root of 231134356 is about 15203.1034989570. The cubic root of 231134356 is about 613.6981791398.

Adding to 231134356 its reverse (653431132), we get a palindrome (884565488).

The spelling of 231134356 in words is "two hundred thirty-one million, one hundred thirty-four thousand, three hundred fifty-six".