112031235581 has 2 divisors, whose sum is σ = 112031235582. Its totient is φ = 112031235580.

The previous prime is 112031235493. The next prime is 112031235697. The reversal of 112031235581 is 185532130211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109537831225 + 2493404356 = 330965^2 + 49934^2 .

It is a cyclic number.

It is not a de Polignac number, because 112031235581 - 2¹⁴ = 112031219197 is a prime.

It is a super-2 number, since 2×112031235581² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112031231581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56015617790 + 56015617791.

It is an arithmetic number, because the mean of its divisors is an integer number (56015617791).

Almost surely, 2^112031235581 is an apocalyptic number.

It is an amenable number.

112031235581 is a deficient number, since it is larger than the sum of its proper divisors (1).

112031235581 is an equidigital number, since it uses as much as digits as its factorization.

112031235581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 32.

Adding to 112031235581 its reverse (185532130211), we get a palindrome (297563365792).

The spelling of 112031235581 in words is "one hundred twelve billion, thirty-one million, two hundred thirty-five thousand, five hundred eighty-one".