111303133231 has 2 divisors, whose sum is σ = 111303133232. Its totient is φ = 111303133230.

The previous prime is 111303133229. The next prime is 111303133273. The reversal of 111303133231 is 132331303111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111303133231 - 2¹ = 111303133229 is a prime.

It is a super-2 number, since 2×111303133231² (a number of 23 digits) contains 22 as substring.

Together with 111303133229, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111303130231) 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, 55651566615 + 55651566616.

It is an arithmetic number, because the mean of its divisors is an integer number (55651566616).

Almost surely, 2^111303133231 is an apocalyptic number.

111303133231 is a deficient number, since it is larger than the sum of its proper divisors (1).

111303133231 is an equidigital number, since it uses as much as digits as its factorization.

111303133231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 111303133231 its reverse (132331303111), we get a palindrome (243634436342).

The spelling of 111303133231 in words is "one hundred eleven billion, three hundred three million, one hundred thirty-three thousand, two hundred thirty-one".