1308981319 has 2 divisors, whose sum is σ = 1308981320. Its totient is φ = 1308981318.

The previous prime is 1308981281. The next prime is 1308981343. The reversal of 1308981319 is 9131898031.

It is a strong prime.

It is an emirp because it is prime and its reverse (9131898031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1308981319 - 2¹¹ = 1308979271 is a prime.

It is a super-2 number, since 2×1308981319² = 3426864186981959522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1308981119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 654490659 + 654490660.

It is an arithmetic number, because the mean of its divisors is an integer number (654490660).

Almost surely, 2^1308981319 is an apocalyptic number.

1308981319 is a deficient number, since it is larger than the sum of its proper divisors (1).

1308981319 is an equidigital number, since it uses as much as digits as its factorization.

1308981319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 43.

The square root of 1308981319 is about 36179.8468625836. The cubic root of 1308981319 is about 1093.9004883155.

The spelling of 1308981319 in words is "one billion, three hundred eight million, nine hundred eighty-one thousand, three hundred nineteen".