111132331 has 2 divisors, whose sum is σ = 111132332. Its totient is φ = 111132330.

The previous prime is 111132313. The next prime is 111132337. The reversal of 111132331 is 133231111.

Together with previous prime (111132313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111132331 - 2¹⁵ = 111099563 is a prime.

It is a super-2 number, since 2×111132331² = 24700789986987122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111132337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55566165 + 55566166.

It is an arithmetic number, because the mean of its divisors is an integer number (55566166).

Almost surely, 2^111132331 is an apocalyptic number.

111132331 is a deficient number, since it is larger than the sum of its proper divisors (1).

111132331 is an equidigital number, since it uses as much as digits as its factorization.

111132331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54, while the sum is 16.

The square root of 111132331 is about 10541.9320335506. The cubic root of 111132331 is about 480.7804591967.

Adding to 111132331 its reverse (133231111), we get a palindrome (244363442).

The spelling of 111132331 in words is "one hundred eleven million, one hundred thirty-two thousand, three hundred thirty-one".