231113332 has 6 divisors (see below), whose sum is σ = 404448338. Its totient is φ = 115556664.

The previous prime is 231113329. The next prime is 231113341. The reversal of 231113332 is 233311132.

It can be written as a sum of positive squares in only one way, i.e., 224580196 + 6533136 = 14986^2 + 2556^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28889163 + ... + 28889170.

Almost surely, 2^231113332 is an apocalyptic number.

It is an amenable number.

231113332 is a deficient number, since it is larger than the sum of its proper divisors (173335006).

231113332 is a wasteful number, since it uses less digits than its factorization.

231113332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57778337 (or 57778335 counting only the distinct ones).

The product of its digits is 324, while the sum is 19.

The square root of 231113332 is about 15202.4120454617. The cubic root of 231113332 is about 613.6795712300.

Adding to 231113332 its reverse (233311132), we get a palindrome (464424464).

The spelling of 231113332 in words is "two hundred thirty-one million, one hundred thirteen thousand, three hundred thirty-two".