1304331269 has 2 divisors, whose sum is σ = 1304331270. Its totient is φ = 1304331268.

The previous prime is 1304331257. The next prime is 1304331359. The reversal of 1304331269 is 9621334031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1234608769 + 69722500 = 35137^2 + 8350^2 .

It is a cyclic number.

It is not a de Polignac number, because 1304331269 - 2⁴ = 1304331253 is a prime.

It is a super-2 number, since 2×1304331269² = 3402560118582300722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1304333269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652165634 + 652165635.

It is an arithmetic number, because the mean of its divisors is an integer number (652165635).

Almost surely, 2^1304331269 is an apocalyptic number.

It is an amenable number.

1304331269 is a deficient number, since it is larger than the sum of its proper divisors (1).

1304331269 is an equidigital number, since it uses as much as digits as its factorization.

1304331269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 1304331269 is about 36115.5267025140. The cubic root of 1304331269 is about 1092.6036204990.

The spelling of 1304331269 in words is "one billion, three hundred four million, three hundred thirty-one thousand, two hundred sixty-nine".