1331322421303 has 8 divisors (see below), whose sum is σ = 1536283294208. Its totient is φ = 1130054537304.

The previous prime is 1331322421283. The next prime is 1331322421321. The reversal of 1331322421303 is 3031242231331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1331322421303 - 2³⁷ = 1193883467831 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 (1331322421333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 923246451 + ... + 923247892.

It is an arithmetic number, because the mean of its divisors is an integer number (192035411776).

Almost surely, 2^{1331322421303} is an apocalyptic number.

1331322421303 is a deficient number, since it is larger than the sum of its proper divisors (204960872905).

1331322421303 is a wasteful number, since it uses less digits than its factorization.

1331322421303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1846494453.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 1331322421303 its reverse (3031242231331), we get a palindrome (4362564652634).

The spelling of 1331322421303 in words is "one trillion, three hundred thirty-one billion, three hundred twenty-two million, four hundred twenty-one thousand, three hundred three".