112839031 has 2 divisors, whose sum is σ = 112839032. Its totient is φ = 112839030.

The previous prime is 112839019. The next prime is 112839049. The reversal of 112839031 is 130938211.

It is a weak prime.

It is an emirp because it is prime and its reverse (130938211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112839031 - 2⁷ = 112838903 is a prime.

It is a super-2 number, since 2×112839031² = 25465293834037922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112839071) 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, 56419515 + 56419516.

It is an arithmetic number, because the mean of its divisors is an integer number (56419516).

Almost surely, 2^112839031 is an apocalyptic number.

112839031 is a deficient number, since it is larger than the sum of its proper divisors (1).

112839031 is an equidigital number, since it uses as much as digits as its factorization.

112839031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 112839031 is about 10622.5717695857. The cubic root of 112839031 is about 483.2291405476.

The spelling of 112839031 in words is "one hundred twelve million, eight hundred thirty-nine thousand, thirty-one".