111313233232 has 20 divisors (see below), whose sum is σ = 215803146420. Its totient is φ = 55622098688.

The previous prime is 111313233139. The next prime is 111313233253. The reversal of 111313233232 is 232332313111.

It can be written as a sum of positive squares in 2 ways, for example, as 22077205056 + 89236028176 = 148584^2 + 298724^2 .

It is a junction number, because it is equal to n+sod(n) for n = 111313233197 and 111313233206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2130757 + ... + 2182372.

It is an arithmetic number, because the mean of its divisors is an integer number (10790157321).

Almost surely, 2^111313233232 is an apocalyptic number.

It is an amenable number.

111313233232 is a deficient number, since it is larger than the sum of its proper divisors (104489913188).

111313233232 is a wasteful number, since it uses less digits than its factorization.

111313233232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4314750 (or 4314744 counting only the distinct ones).

The product of its digits is 1944, while the sum is 25.

Adding to 111313233232 its reverse (232332313111), we get a palindrome (343645546343).

The spelling of 111313233232 in words is "one hundred eleven billion, three hundred thirteen million, two hundred thirty-three thousand, two hundred thirty-two".