1327385431382 has 4 divisors (see below), whose sum is σ = 1991078147076. Its totient is φ = 663692715690.

The previous prime is 1327385431349. The next prime is 1327385431409. The reversal of 1327385431382 is 2831345837231.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1327385431382.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331846357844 + ... + 331846357847.

It is an arithmetic number, because the mean of its divisors is an integer number (497769536769).

Almost surely, 2^{1327385431382} is an apocalyptic number.

1327385431382 is a deficient number, since it is larger than the sum of its proper divisors (663692715694).

1327385431382 is an equidigital number, since it uses as much as digits as its factorization.

1327385431382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663692715693.

The product of its digits is 2903040, while the sum is 50.

The spelling of 1327385431382 in words is "one trillion, three hundred twenty-seven billion, three hundred eighty-five million, four hundred thirty-one thousand, three hundred eighty-two".