104015831 has 2 divisors, whose sum is σ = 104015832. Its totient is φ = 104015830.

The previous prime is 104015827. The next prime is 104015833. The reversal of 104015831 is 138510401.

It is a strong prime.

It is an emirp because it is prime and its reverse (138510401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 104015831 - 2² = 104015827 is a prime.

It is a super-2 number, since 2×104015831² = 21638586197241122, which contains 22 as substring.

Together with 104015833, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 104015797 and 104015806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104015833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52007915 + 52007916.

It is an arithmetic number, because the mean of its divisors is an integer number (52007916).

Almost surely, 2^104015831 is an apocalyptic number.

104015831 is a deficient number, since it is larger than the sum of its proper divisors (1).

104015831 is an equidigital number, since it uses as much as digits as its factorization.

104015831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 104015831 is about 10198.8151762840. The cubic root of 104015831 is about 470.2907978588.

The spelling of 104015831 in words is "one hundred four million, fifteen thousand, eight hundred thirty-one".