1316605319 has 2 divisors, whose sum is σ = 1316605320. Its totient is φ = 1316605318.

The previous prime is 1316605289. The next prime is 1316605321. The reversal of 1316605319 is 9135066131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1316605319 is a prime.

It is a super-2 number, since 2×1316605319² = 3466899132038183522, which contains 22 as substring.

Together with 1316605321, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1316605349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658302659 + 658302660.

It is an arithmetic number, because the mean of its divisors is an integer number (658302660).

Almost surely, 2^1316605319 is an apocalyptic number.

1316605319 is a deficient number, since it is larger than the sum of its proper divisors (1).

1316605319 is an equidigital number, since it uses as much as digits as its factorization.

1316605319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 1316605319 is about 36285.0564144525. The cubic root of 1316605319 is about 1096.0201411642.

The spelling of 1316605319 in words is "one billion, three hundred sixteen million, six hundred five thousand, three hundred nineteen".