104308931 has 2 divisors, whose sum is σ = 104308932. Its totient is φ = 104308930.

The previous prime is 104308913. The next prime is 104308937. The reversal of 104308931 is 139803401.

Together with previous prime (104308913) 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 a de Polignac number, because none of the positive numbers 2^k-104308931 is a prime.

It is a super-2 number, since 2×104308931² = 21760706172725522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 104308894 and 104308903.

It is not a weakly prime, because it can be changed into another prime (104308937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52154465 + 52154466.

It is an arithmetic number, because the mean of its divisors is an integer number (52154466).

Almost surely, 2^104308931 is an apocalyptic number.

104308931 is a deficient number, since it is larger than the sum of its proper divisors (1).

104308931 is an equidigital number, since it uses as much as digits as its factorization.

104308931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 104308931 is about 10213.1743840982. The cubic root of 104308931 is about 470.7321183814.

The spelling of 104308931 in words is "one hundred four million, three hundred eight thousand, nine hundred thirty-one".