1304242311 has 4 divisors (see below), whose sum is σ = 1738989752. Its totient is φ = 869494872.

The previous prime is 1304242307. The next prime is 1304242319. The reversal of 1304242311 is 1132424031.

1304242311 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1132424031 = 3 ⋅377474677.

It is not a de Polignac number, because 1304242311 - 2² = 1304242307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304242319) 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, 217373716 + ... + 217373721.

It is an arithmetic number, because the mean of its divisors is an integer number (434747438).

Almost surely, 2^1304242311 is an apocalyptic number.

1304242311 is a deficient number, since it is larger than the sum of its proper divisors (434747441).

1304242311 is an equidigital number, since it uses as much as digits as its factorization.

1304242311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434747440.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1304242311 is about 36114.2951059549. The cubic root of 1304242311 is about 1092.5787806839.

Adding to 1304242311 its reverse (1132424031), we get a palindrome (2436666342).

The spelling of 1304242311 in words is "one billion, three hundred four million, two hundred forty-two thousand, three hundred eleven".