104206631 has 2 divisors, whose sum is σ = 104206632. Its totient is φ = 104206630.

The previous prime is 104206603. The next prime is 104206637. The reversal of 104206631 is 136602401.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104206631 is a prime.

It is a super-3 number, since 3×104206631³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 104206597 and 104206606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104206637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52103315 + 52103316.

It is an arithmetic number, because the mean of its divisors is an integer number (52103316).

Almost surely, 2^104206631 is an apocalyptic number.

104206631 is a deficient number, since it is larger than the sum of its proper divisors (1).

104206631 is an equidigital number, since it uses as much as digits as its factorization.

104206631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 104206631 is about 10208.1649183387. The cubic root of 104206631 is about 470.5781793510.

The spelling of 104206631 in words is "one hundred four million, two hundred six thousand, six hundred thirty-one".