1331332303213 has 4 divisors (see below), whose sum is σ = 1452362512608. Its totient is φ = 1210302093820.

The previous prime is 1331332303177. The next prime is 1331332303241. The reversal of 1331332303213 is 3123032331331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1331332303213 - 2¹⁷ = 1331332172141 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 (1331332303913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60515104681 + ... + 60515104702.

It is an arithmetic number, because the mean of its divisors is an integer number (363090628152).

Almost surely, 2^{1331332303213} is an apocalyptic number.

It is an amenable number.

1331332303213 is a deficient number, since it is larger than the sum of its proper divisors (121030209395).

1331332303213 is a wasteful number, since it uses less digits than its factorization.

1331332303213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121030209394.

The product of its (nonzero) digits is 8748, while the sum is 28.

Adding to 1331332303213 its reverse (3123032331331), we get a palindrome (4454364634544).

The spelling of 1331332303213 in words is "one trillion, three hundred thirty-one billion, three hundred thirty-two million, three hundred three thousand, two hundred thirteen".