1383315911 has 2 divisors, whose sum is σ = 1383315912. Its totient is φ = 1383315910.

The previous prime is 1383315889. The next prime is 1383316001. The reversal of 1383315911 is 1195133831.

It is a weak prime.

It is an emirp because it is prime and its reverse (1195133831) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1383315911 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1383311911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 691657955 + 691657956.

It is an arithmetic number, because the mean of its divisors is an integer number (691657956).

Almost surely, 2^1383315911 is an apocalyptic number.

1383315911 is a deficient number, since it is larger than the sum of its proper divisors (1).

1383315911 is an equidigital number, since it uses as much as digits as its factorization.

1383315911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 35.

The square root of 1383315911 is about 37192.9551259375. The cubic root of 1383315911 is about 1114.2272890322.

The spelling of 1383315911 in words is "one billion, three hundred eighty-three million, three hundred fifteen thousand, nine hundred eleven".