1331340252422 has 4 divisors (see below), whose sum is σ = 1997010378636. Its totient is φ = 665670126210.

The previous prime is 1331340252413. The next prime is 1331340252523. The reversal of 1331340252422 is 2242520431331.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 332835063104 + ... + 332835063107.

It is an arithmetic number, because the mean of its divisors is an integer number (499252594659).

Almost surely, 2^{1331340252422} is an apocalyptic number.

1331340252422 is a deficient number, since it is larger than the sum of its proper divisors (665670126214).

1331340252422 is an equidigital number, since it uses as much as digits as its factorization.

1331340252422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665670126213.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 1331340252422 its reverse (2242520431331), we get a palindrome (3573860683753).

The spelling of 1331340252422 in words is "one trillion, three hundred thirty-one billion, three hundred forty million, two hundred fifty-two thousand, four hundred twenty-two".