1331313033333 has 16 divisors (see below), whose sum is σ = 1839555529920. Its totient is φ = 855415002624.

The previous prime is 1331313033311. The next prime is 1331313033359. The reversal of 1331313033333 is 3333303131331.

It is not a de Polignac number, because 1331313033333 - 2²¹ = 1331310936181 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1331313033333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331313033733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13541116 + ... + 13639077.

It is an arithmetic number, because the mean of its divisors is an integer number (114972220620).

Almost surely, 2^{1331313033333} is an apocalyptic number.

It is an amenable number.

1331313033333 is a deficient number, since it is larger than the sum of its proper divisors (508242496587).

1331313033333 is a wasteful number, since it uses less digits than its factorization.

1331313033333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27180788.

The product of its (nonzero) digits is 19683, while the sum is 30.

Adding to 1331313033333 its reverse (3333303131331), we get a palindrome (4664616164664).

The spelling of 1331313033333 in words is "one trillion, three hundred thirty-one billion, three hundred thirteen million, thirty-three thousand, three hundred thirty-three".