112123320131 has 4 divisors (see below), whose sum is σ = 112182303264. Its totient is φ = 112064337000.

The previous prime is 112123320109. The next prime is 112123320167. The reversal of 112123320131 is 131023321211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131023321211 = 29 ⋅4518045559.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112123320131 is a prime.

It is a super-2 number, since 2×112123320131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112123320181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29488715 + ... + 29492516.

It is an arithmetic number, because the mean of its divisors is an integer number (28045575816).

Almost surely, 2^112123320131 is an apocalyptic number.

112123320131 is a deficient number, since it is larger than the sum of its proper divisors (58983133).

112123320131 is an equidigital number, since it uses as much as digits as its factorization.

112123320131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58983132.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 112123320131 its reverse (131023321211), we get a palindrome (243146641342).

The spelling of 112123320131 in words is "one hundred twelve billion, one hundred twenty-three million, three hundred twenty thousand, one hundred thirty-one".