1112355631 has 2 divisors, whose sum is σ = 1112355632. Its totient is φ = 1112355630.

The previous prime is 1112355623. The next prime is 1112355661. The reversal of 1112355631 is 1365532111.

It is a weak prime.

It is an emirp because it is prime and its reverse (1365532111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1112355631 - 2³ = 1112355623 is a prime.

It is a super-2 number, since 2×1112355631² = 2474670099634816322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1112355631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1112355661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556177815 + 556177816.

It is an arithmetic number, because the mean of its divisors is an integer number (556177816).

Almost surely, 2^1112355631 is an apocalyptic number.

1112355631 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112355631 is an equidigital number, since it uses as much as digits as its factorization.

1112355631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2700, while the sum is 28.

The square root of 1112355631 is about 33351.9959072917. The cubic root of 1112355631 is about 1036.1307256291.

Adding to 1112355631 its reverse (1365532111), we get a palindrome (2477887742).

The spelling of 1112355631 in words is "one billion, one hundred twelve million, three hundred fifty-five thousand, six hundred thirty-one".