104204731 has 4 divisors (see below), whose sum is σ = 106170912. Its totient is φ = 102238552.

The previous prime is 104204719. The next prime is 104204761. The reversal of 104204731 is 137402401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 137402401 = 1031 ⋅133271.

It is a cyclic number.

It is not a de Polignac number, because 104204731 - 2⁵ = 104204699 is a prime.

It is a super-2 number, since 2×104204731² = 21717251925564722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104204701) 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, 983011 + ... + 983116.

It is an arithmetic number, because the mean of its divisors is an integer number (26542728).

Almost surely, 2^104204731 is an apocalyptic number.

104204731 is a deficient number, since it is larger than the sum of its proper divisors (1966181).

104204731 is an equidigital number, since it uses as much as digits as its factorization.

104204731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1966180.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 104204731 is about 10208.0718551546. The cubic root of 104204731 is about 470.5753193155.

It can be divided in two parts, 10420 and 4731, that added together give a palindrome (15151).

The spelling of 104204731 in words is "one hundred four million, two hundred four thousand, seven hundred thirty-one".