1304231317 has 2 divisors, whose sum is σ = 1304231318. Its totient is φ = 1304231316.

The previous prime is 1304231311. The next prime is 1304231339. The reversal of 1304231317 is 7131324031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 758121156 + 546110161 = 27534^2 + 23369^2 .

It is a cyclic number.

It is not a de Polignac number, because 1304231317 - 2³ = 1304231309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1304231291 and 1304231300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1304231311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652115658 + 652115659.

It is an arithmetic number, because the mean of its divisors is an integer number (652115659).

Almost surely, 2^1304231317 is an apocalyptic number.

It is an amenable number.

1304231317 is a deficient number, since it is larger than the sum of its proper divisors (1).

1304231317 is an equidigital number, since it uses as much as digits as its factorization.

1304231317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 1304231317 is about 36114.1428944396. The cubic root of 1304231317 is about 1092.5757107419.

Adding to 1304231317 its reverse (7131324031), we get a palindrome (8435555348).

The spelling of 1304231317 in words is "one billion, three hundred four million, two hundred thirty-one thousand, three hundred seventeen".