1331445532243 has 8 divisors (see below), whose sum is σ = 1343121880320. Its totient is φ = 1319792103240.

The previous prime is 1331445532211. The next prime is 1331445532267. The reversal of 1331445532243 is 3422355441331.

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

It is a cyclic number.

It is not a de Polignac number, because 1331445532243 - 2⁵ = 1331445532211 is a prime.

It is a super-2 number, since 2×1331445532243² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1331445532196 and 1331445532205.

It is not an unprimeable number, because it can be changed into a prime (1331445532643) 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, 5613063 + ... + 5845456.

It is an arithmetic number, because the mean of its divisors is an integer number (167890235040).

Almost surely, 2^{1331445532243} is an apocalyptic number.

1331445532243 is a deficient number, since it is larger than the sum of its proper divisors (11676348077).

1331445532243 is a wasteful number, since it uses less digits than its factorization.

1331445532243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11459537.

The product of its digits is 518400, while the sum is 40.

The spelling of 1331445532243 in words is "one trillion, three hundred thirty-one billion, four hundred forty-five million, five hundred thirty-two thousand, two hundred forty-three".