1112311011231 has 144 divisors (see below), whose sum is σ = 1935806184000. Its totient is φ = 613198688256.

The previous prime is 1112311011179. The next prime is 1112311011247. The reversal of 1112311011231 is 1321101132111.

1112311011231 is a `hidden beast` number, since 1 + 112 + 311 + 0 + 11 + 231 = 666.

It is not a de Polignac number, because 1112311011231 - 2⁹ = 1112311010719 is a prime.

It is a super-2 number, since 2×1112311011231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112311011631) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1652764911 + ... + 1652765583.

It is an arithmetic number, because the mean of its divisors is an integer number (13443098500).

Almost surely, 2^{1112311011231} is an apocalyptic number.

1112311011231 is a deficient number, since it is larger than the sum of its proper divisors (823495172769).

1112311011231 is a wasteful number, since it uses less digits than its factorization.

1112311011231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438 (or 1428 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

Adding to 1112311011231 its reverse (1321101132111), we get a palindrome (2433412143342).

The spelling of 1112311011231 in words is "one trillion, one hundred twelve billion, three hundred eleven million, eleven thousand, two hundred thirty-one".