104142631 has 2 divisors, whose sum is σ = 104142632. Its totient is φ = 104142630.

The previous prime is 104142613. The next prime is 104142641. The reversal of 104142631 is 136241401.

Together with previous prime (104142613) 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 104142631 - 2⁷ = 104142503 is a prime.

It is a super-2 number, since 2×104142631² = 21691375183204322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104142601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52071315 + 52071316.

It is an arithmetic number, because the mean of its divisors is an integer number (52071316).

Almost surely, 2^104142631 is an apocalyptic number.

104142631 is a deficient number, since it is larger than the sum of its proper divisors (1).

104142631 is an equidigital number, since it uses as much as digits as its factorization.

104142631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 104142631 is about 10205.0296912846. The cubic root of 104142631 is about 470.4818221714.

The spelling of 104142631 in words is "one hundred four million, one hundred forty-two thousand, six hundred thirty-one".