1308768311 has 6 divisors (see below), whose sum is σ = 1311949512. Its totient is φ = 1305594780.

The previous prime is 1308768301. The next prime is 1308768313. The reversal of 1308768311 is 1138678031.

It is not a de Polignac number, because 1308768311 - 2⁶ = 1308768247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1308768313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 189326 + ... + 196116.

It is an arithmetic number, because the mean of its divisors is an integer number (218658252).

Almost surely, 2^1308768311 is an apocalyptic number.

1308768311 is a deficient number, since it is larger than the sum of its proper divisors (3181201).

1308768311 is an frugal number, since it uses more digits than its factorization.

1308768311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7669 (or 7230 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 1308768311 is about 36176.9030045414. The cubic root of 1308768311 is about 1093.8411489926.

The spelling of 1308768311 in words is "one billion, three hundred eight million, seven hundred sixty-eight thousand, three hundred eleven".