112031431387 has 2 divisors, whose sum is σ = 112031431388. Its totient is φ = 112031431386.

The previous prime is 112031431357. The next prime is 112031431411. The reversal of 112031431387 is 783134130211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 112031431387 - 2²³ = 112023042779 is a prime.

It is a super-3 number, since 3×112031431387³ (a number of 34 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (112031431307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56015715693 + 56015715694.

It is an arithmetic number, because the mean of its divisors is an integer number (56015715694).

Almost surely, 2^112031431387 is an apocalyptic number.

112031431387 is a deficient number, since it is larger than the sum of its proper divisors (1).

112031431387 is an equidigital number, since it uses as much as digits as its factorization.

112031431387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 34.

Adding to 112031431387 its reverse (783134130211), we get a palindrome (895165561598).

The spelling of 112031431387 in words is "one hundred twelve billion, thirty-one million, four hundred thirty-one thousand, three hundred eighty-seven".