1313904329 has 2 divisors, whose sum is σ = 1313904330. Its totient is φ = 1313904328.

The previous prime is 1313904301. The next prime is 1313904331. The reversal of 1313904329 is 9234093131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1313700025 + 204304 = 36245^2 + 452^2 .

It is an emirp because it is prime and its reverse (9234093131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1313904329 - 2¹⁶ = 1313838793 is a prime.

Together with 1313904331, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1313904029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656952164 + 656952165.

It is an arithmetic number, because the mean of its divisors is an integer number (656952165).

Almost surely, 2^1313904329 is an apocalyptic number.

It is an amenable number.

1313904329 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313904329 is an equidigital number, since it uses as much as digits as its factorization.

1313904329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 1313904329 is about 36247.8182653798. The cubic root of 1313904329 is about 1095.2701401153.

The spelling of 1313904329 in words is "one billion, three hundred thirteen million, nine hundred four thousand, three hundred twenty-nine".