104100631 has 2 divisors, whose sum is σ = 104100632. Its totient is φ = 104100630.

The previous prime is 104100589. The next prime is 104100643. The reversal of 104100631 is 136001401.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104100631 is a prime.

It is a super-2 number, since 2×104100631² = 21673882749196322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104100671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52050315 + 52050316.

It is an arithmetic number, because the mean of its divisors is an integer number (52050316).

Almost surely, 2^104100631 is an apocalyptic number.

104100631 is a deficient number, since it is larger than the sum of its proper divisors (1).

104100631 is an equidigital number, since it uses as much as digits as its factorization.

104100631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 104100631 is about 10202.9716749582. The cubic root of 104100631 is about 470.4185663163.

The spelling of 104100631 in words is "one hundred four million, one hundred thousand, six hundred thirty-one".