1331333231013 has 24 divisors (see below), whose sum is σ = 1953254222400. Its totient is φ = 873629596224.

The previous prime is 1331333230999. The next prime is 1331333231047. The reversal of 1331333231013 is 3101323331331.

1331333231013 is a `hidden beast` number, since 1 + 3 + 3 + 1 + 3 + 332 + 310 + 13 = 666.

It is not a de Polignac number, because 1331333231013 - 2¹⁸ = 1331332968869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331333231513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79153 + ... + 1633686.

It is an arithmetic number, because the mean of its divisors is an integer number (81385592600).

Almost surely, 2^{1331333231013} is an apocalyptic number.

It is an amenable number.

1331333231013 is a deficient number, since it is larger than the sum of its proper divisors (621920991387).

1331333231013 is a wasteful number, since it uses less digits than its factorization.

1331333231013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1714201 (or 1714198 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 27.

Adding to 1331333231013 its reverse (3101323331331), we get a palindrome (4432656562344).

The spelling of 1331333231013 in words is "one trillion, three hundred thirty-one billion, three hundred thirty-three million, two hundred thirty-one thousand, thirteen".