112031131 has 2 divisors, whose sum is σ = 112031132. Its totient is φ = 112031130.

The previous prime is 112031107. The next prime is 112031141. The reversal of 112031131 is 131130211.

It is a strong prime.

It is an emirp because it is prime and its reverse (131130211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112031131 - 2²¹ = 109933979 is a prime.

It is a super-2 number, since 2×112031131² = 25101948626278322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (112031141) 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 as a sum of consecutive naturals, namely, 56015565 + 56015566.

It is an arithmetic number, because the mean of its divisors is an integer number (56015566).

Almost surely, 2^112031131 is an apocalyptic number.

112031131 is a deficient number, since it is larger than the sum of its proper divisors (1).

112031131 is an equidigital number, since it uses as much as digits as its factorization.

112031131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 112031131 is about 10584.4759435694. The cubic root of 112031131 is about 482.0731094947.

Adding to 112031131 its reverse (131130211), we get a palindrome (243161342).

The spelling of 112031131 in words is "one hundred twelve million, thirty-one thousand, one hundred thirty-one".