112720642231 has 2 divisors, whose sum is σ = 112720642232. Its totient is φ = 112720642230.

The previous prime is 112720642217. The next prime is 112720642273. The reversal of 112720642231 is 132246027211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 112720642231 - 2²³ = 112712253623 is a prime.

It is a super-2 number, since 2×112720642231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 112720642193 and 112720642202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112720642211) 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, 56360321115 + 56360321116.

It is an arithmetic number, because the mean of its divisors is an integer number (56360321116).

Almost surely, 2^112720642231 is an apocalyptic number.

112720642231 is a deficient number, since it is larger than the sum of its proper divisors (1).

112720642231 is an equidigital number, since it uses as much as digits as its factorization.

112720642231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 31.

Adding to 112720642231 its reverse (132246027211), we get a palindrome (244966669442).

The spelling of 112720642231 in words is "one hundred twelve billion, seven hundred twenty million, six hundred forty-two thousand, two hundred thirty-one".