104831 has 2 divisors, whose sum is σ = 104832. Its totient is φ = 104830.

The previous prime is 104827. The next prime is 104849. The reversal of 104831 is 138401.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (138401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 104831 - 2² = 104827 is a prime.

It is a super-2 number, since 2×104831² = 21979077122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52415 + 52416.

It is an arithmetic number, because the mean of its divisors is an integer number (52416).

2¹⁰⁴⁸³¹ is an apocalyptic number.

104831 is a deficient number, since it is larger than the sum of its proper divisors (1).

104831 is an equidigital number, since it uses as much as digits as its factorization.

104831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 104831 is about 323.7761572445. The cubic root of 104831 is about 47.1516154089.

The spelling of 104831 in words is "one hundred four thousand, eight hundred thirty-one".