112001231131 has 2 divisors, whose sum is σ = 112001231132. Its totient is φ = 112001231130.

The previous prime is 112001231123. The next prime is 112001231149. The reversal of 112001231131 is 131132100211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 112001231131 - 2³ = 112001231123 is a prime.

It is a super-2 number, since 2×112001231131² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (112001231161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56000615565 + 56000615566.

It is an arithmetic number, because the mean of its divisors is an integer number (56000615566).

Almost surely, 2^112001231131 is an apocalyptic number.

112001231131 is a deficient number, since it is larger than the sum of its proper divisors (1).

112001231131 is an equidigital number, since it uses as much as digits as its factorization.

112001231131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 112001231131 its reverse (131132100211), we get a palindrome (243133331342).

The spelling of 112001231131 in words is "one hundred twelve billion, one million, two hundred thirty-one thousand, one hundred thirty-one".