1331320332322 has 16 divisors (see below), whose sum is σ = 2004273387000. Its totient is φ = 663229404288.

The previous prime is 1331320332313. The next prime is 1331320332347. The reversal of 1331320332322 is 2232330231331.

It can be written as a sum of positive squares in 4 ways, for example, as 1196483757921 + 134836574401 = 1093839^2 + 367201^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21990718 + ... + 22051174.

Almost surely, 2^{1331320332322} is an apocalyptic number.

1331320332322 is a deficient number, since it is larger than the sum of its proper divisors (672953054678).

1331320332322 is a wasteful number, since it uses less digits than its factorization.

1331320332322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100485.

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 1331320332322 its reverse (2232330231331), we get a palindrome (3563650563653).

The spelling of 1331320332322 in words is "one trillion, three hundred thirty-one billion, three hundred twenty million, three hundred thirty-two thousand, three hundred twenty-two".