104731 has 4 divisors (see below), whose sum is σ = 114264. Its totient is φ = 95200.

The previous prime is 104729. The next prime is 104743. The reversal of 104731 is 137401.

104731 is an esthetic number in base 4, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 137401 = 11 ⋅12491.

It is a cyclic number.

It is not a de Polignac number, because 104731 - 2¹ = 104729 is a prime.

It is a super-2 number, since 2×104731² = 21937164722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4750 + ... + 4771.

It is an arithmetic number, because the mean of its divisors is an integer number (28566).

2¹⁰⁴⁷³¹ is an apocalyptic number.

104731 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

104731 is a deficient number, since it is larger than the sum of its proper divisors (9533).

104731 is an equidigital number, since it uses as much as digits as its factorization.

104731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9532.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 104731 is about 323.6216927216. The cubic root of 104731 is about 47.1366177409.

The spelling of 104731 in words is "one hundred four thousand, seven hundred thirty-one".