3104011021 has 4 divisors (see below), whose sum is σ = 3111600700. Its totient is φ = 3096421344.

The previous prime is 3104011007. The next prime is 3104011033. The reversal of 3104011021 is 1201104013.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1201104013 = 3467 ⋅346439.

It can be written as a sum of positive squares in 2 ways, for example, as 1551256996 + 1552754025 = 39386^2 + 39405^2 .

It is a cyclic number.

It is not a de Polignac number, because 3104011021 - 2²⁵ = 3070456589 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3104010992 and 3104011010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3104011051) 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, 3794226 + ... + 3795043.

It is an arithmetic number, because the mean of its divisors is an integer number (777900175).

Almost surely, 2^3104011021 is an apocalyptic number.

It is an amenable number.

3104011021 is a deficient number, since it is larger than the sum of its proper divisors (7589679).

3104011021 is an equidigital number, since it uses as much as digits as its factorization.

3104011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7589678.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 3104011021 is about 55713.6520163595. The cubic root of 3104011021 is about 1458.7283323935.

Adding to 3104011021 its reverse (1201104013), we get a palindrome (4305115034).

The spelling of 3104011021 in words is "three billion, one hundred four million, eleven thousand, twenty-one".