1331304021441 has 12 divisors (see below), whose sum is σ = 1923007409232. Its totient is φ = 887530147416.

The previous prime is 1331304021413. The next prime is 1331304021449. The reversal of 1331304021441 is 1441204031331.

1331304021441 is a `hidden beast` number, since 1 + 33 + 130 + 40 + 21 + 441 = 666.

It is not a de Polignac number, because 1331304021441 - 2¹⁵ = 1331303988673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1331304021449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1288230 + ... + 2078976.

It is an arithmetic number, because the mean of its divisors is an integer number (160250617436).

Almost surely, 2^{1331304021441} is an apocalyptic number.

It is an amenable number.

1331304021441 is a deficient number, since it is larger than the sum of its proper divisors (591703387791).

1331304021441 is a wasteful number, since it uses less digits than its factorization.

1331304021441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 977820 (or 977817 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 1331304021441 its reverse (1441204031331), we get a palindrome (2772508052772).

The spelling of 1331304021441 in words is "one trillion, three hundred thirty-one billion, three hundred four million, twenty-one thousand, four hundred forty-one".