2104304531 has 4 divisors (see below), whose sum is σ = 2404919472. Its totient is φ = 1803689592.

The previous prime is 2104304513. The next prime is 2104304533. The reversal of 2104304531 is 1354034012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2104304531 - 2¹⁰ = 2104303507 is a prime.

It is a super-2 number, since 2×2104304531² = 8856195118374259922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2104304497 and 2104304506.

It is not an unprimeable number, because it can be changed into a prime (2104304533) 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, 150307460 + ... + 150307473.

It is an arithmetic number, because the mean of its divisors is an integer number (601229868).

Almost surely, 2^2104304531 is an apocalyptic number.

2104304531 is a deficient number, since it is larger than the sum of its proper divisors (300614941).

2104304531 is an equidigital number, since it uses as much as digits as its factorization.

2104304531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300614940.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2104304531 is about 45872.6991902591. The cubic root of 2104304531 is about 1281.4535349357.

Adding to 2104304531 its reverse (1354034012), we get a palindrome (3458338543).

The spelling of 2104304531 in words is "two billion, one hundred four million, three hundred four thousand, five hundred thirty-one".