1304421113 has 4 divisors (see below), whose sum is σ = 1319077620. Its totient is φ = 1289764608.

The previous prime is 1304421077. The next prime is 1304421137. The reversal of 1304421113 is 3111244031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3111244031 = 7 ⋅444463433.

It can be written as a sum of positive squares in 2 ways, for example, as 267387904 + 1037033209 = 16352^2 + 32203^2 .

It is a cyclic number.

It is not a de Polignac number, because 1304421113 - 2⁶ = 1304421049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1304321113) 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, 7328120 + ... + 7328297.

It is an arithmetic number, because the mean of its divisors is an integer number (329769405).

Almost surely, 2^1304421113 is an apocalyptic number.

It is an amenable number.

1304421113 is a deficient number, since it is larger than the sum of its proper divisors (14656507).

1304421113 is an equidigital number, since it uses as much as digits as its factorization.

1304421113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14656506.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1304421113 is about 36116.7705228471. The cubic root of 1304421113 is about 1092.6287065663.

Adding to 1304421113 its reverse (3111244031), we get a palindrome (4415665144).

The spelling of 1304421113 in words is "one billion, three hundred four million, four hundred twenty-one thousand, one hundred thirteen".