112220431 has 2 divisors, whose sum is σ = 112220432. Its totient is φ = 112220430.

The previous prime is 112220363. The next prime is 112220483. The reversal of 112220431 is 134022211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 112220431 - 2¹¹ = 112218383 is a prime.

It is a super-2 number, since 2×112220431² = 25186850267651522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112220131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56110215 + 56110216.

It is an arithmetic number, because the mean of its divisors is an integer number (56110216).

Almost surely, 2^112220431 is an apocalyptic number.

112220431 is a deficient number, since it is larger than the sum of its proper divisors (1).

112220431 is an equidigital number, since it uses as much as digits as its factorization.

112220431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 112220431 is about 10593.4145109120. The cubic root of 112220431 is about 482.3444777833.

Adding to 112220431 its reverse (134022211), we get a palindrome (246242642).

The spelling of 112220431 in words is "one hundred twelve million, two hundred twenty thousand, four hundred thirty-one".