1331320331219 has 2 divisors, whose sum is σ = 1331320331220. Its totient is φ = 1331320331218.

The previous prime is 1331320331093. The next prime is 1331320331233. The reversal of 1331320331219 is 9121330231331.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1331320331219 is a prime.

It is a super-2 number, since 2×1331320331219² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1331320331239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665660165609 + 665660165610.

It is an arithmetic number, because the mean of its divisors is an integer number (665660165610).

Almost surely, 2^{1331320331219} is an apocalyptic number.

1331320331219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1331320331219 is an equidigital number, since it uses as much as digits as its factorization.

1331320331219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 32.

The spelling of 1331320331219 in words is "one trillion, three hundred thirty-one billion, three hundred twenty million, three hundred thirty-one thousand, two hundred nineteen".