83841931 has 2 divisors, whose sum is σ = 83841932. Its totient is φ = 83841930.

The previous prime is 83841913. The next prime is 83841941. The reversal of 83841931 is 13914838.

Together with previous prime (83841913) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83841931 - 2⁷ = 83841803 is a prime.

It is a super-2 number, since 2×83841931² = 14058938787617522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (83841941) 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, 41920965 + 41920966.

It is an arithmetic number, because the mean of its divisors is an integer number (41920966).

Almost surely, 2^83841931 is an apocalyptic number.

83841931 is a deficient number, since it is larger than the sum of its proper divisors (1).

83841931 is an equidigital number, since it uses as much as digits as its factorization.

83841931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 37.

The square root of 83841931 is about 9156.5239583589. The cubic root of 83841931 is about 437.6770326813.

The spelling of 83841931 in words is "eighty-three million, eight hundred forty-one thousand, nine hundred thirty-one".