106893931 has 2 divisors, whose sum is σ = 106893932. Its totient is φ = 106893930.

The previous prime is 106893923. The next prime is 106893937. The reversal of 106893931 is 139398601.

It is a strong prime.

It is an emirp because it is prime and its reverse (139398601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 106893931 - 2³ = 106893923 is a prime.

It is a super-2 number, since 2×106893931² = 22852624969265522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (106893937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53446965 + 53446966.

It is an arithmetic number, because the mean of its divisors is an integer number (53446966).

Almost surely, 2^106893931 is an apocalyptic number.

106893931 is a deficient number, since it is larger than the sum of its proper divisors (1).

106893931 is an equidigital number, since it uses as much as digits as its factorization.

106893931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 106893931 is about 10338.9521229185. The cubic root of 106893931 is about 474.5890162527.

The spelling of 106893931 in words is "one hundred six million, eight hundred ninety-three thousand, nine hundred thirty-one".