1382311393 has 2 divisors, whose sum is σ = 1382311394. Its totient is φ = 1382311392.

The previous prime is 1382311363. The next prime is 1382311451. The reversal of 1382311393 is 3931132831.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1247007969 + 135303424 = 35313^2 + 11632^2 .

It is an emirp because it is prime and its reverse (3931132831) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1382311393 is a prime.

It is not a weakly prime, because it can be changed into another prime (1382311363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 691155696 + 691155697.

It is an arithmetic number, because the mean of its divisors is an integer number (691155697).

Almost surely, 2^1382311393 is an apocalyptic number.

It is an amenable number.

1382311393 is a deficient number, since it is larger than the sum of its proper divisors (1).

1382311393 is an equidigital number, since it uses as much as digits as its factorization.

1382311393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 34.

The square root of 1382311393 is about 37179.4485300683. The cubic root of 1382311393 is about 1113.9575187911.

The spelling of 1382311393 in words is "one billion, three hundred eighty-two million, three hundred eleven thousand, three hundred ninety-three".