1304342231 has 2 divisors, whose sum is σ = 1304342232. Its totient is φ = 1304342230.

The previous prime is 1304342203. The next prime is 1304342233. The reversal of 1304342231 is 1322434031.

It is a strong prime.

It is an emirp because it is prime and its reverse (1322434031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1304342231 - 2¹⁸ = 1304080087 is a prime.

It is a super-2 number, since 2×1304342231² = 3402617311140114722, which contains 22 as substring.

Together with 1304342233, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1304342197 and 1304342206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1304342233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652171115 + 652171116.

It is an arithmetic number, because the mean of its divisors is an integer number (652171116).

Almost surely, 2^1304342231 is an apocalyptic number.

1304342231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1304342231 is an equidigital number, since it uses as much as digits as its factorization.

1304342231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1304342231 is about 36115.6784651763. The cubic root of 1304342231 is about 1092.6066813491.

Adding to 1304342231 its reverse (1322434031), we get a palindrome (2626776262).

The spelling of 1304342231 in words is "one billion, three hundred four million, three hundred forty-two thousand, two hundred thirty-one".