112231323131 has 4 divisors (see below), whose sum is σ = 113812046064. Its totient is φ = 110650600200.

The previous prime is 112231323121. The next prime is 112231323137. The reversal of 112231323131 is 131323132211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 112231323131 - 2¹⁸ = 112231060987 is a prime.

It is a super-2 number, since 2×112231323131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112231323097 and 112231323106.

It is not an unprimeable number, because it can be changed into a prime (112231323137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 790361360 + ... + 790361501.

It is an arithmetic number, because the mean of its divisors is an integer number (28453011516).

Almost surely, 2^112231323131 is an apocalyptic number.

112231323131 is a deficient number, since it is larger than the sum of its proper divisors (1580722933).

112231323131 is an equidigital number, since it uses as much as digits as its factorization.

112231323131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580722932.

The product of its digits is 648, while the sum is 23.

Adding to 112231323131 its reverse (131323132211), we get a palindrome (243554455342).

The spelling of 112231323131 in words is "one hundred twelve billion, two hundred thirty-one million, three hundred twenty-three thousand, one hundred thirty-one".