1321013322333 has 12 divisors (see below), whose sum is σ = 1908142233660. Its totient is φ = 880670065536.

The previous prime is 1321013322329. The next prime is 1321013322359. The reversal of 1321013322333 is 3332233101231.

1321013322333 is a `hidden beast` number, since 1 + 3 + 2 + 1 + 0 + 1 + 3 + 322 + 333 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 634703802489 + 686309519844 = 796683^2 + 828438^2 .

It is not a de Polignac number, because 1321013322333 - 2² = 1321013322329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1321013322297 and 1321013322306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321013326333) 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, 1518663 + ... + 2224491.

It is an arithmetic number, because the mean of its divisors is an integer number (159011852805).

Almost surely, 2^{1321013322333} is an apocalyptic number.

It is an amenable number.

1321013322333 is a deficient number, since it is larger than the sum of its proper divisors (587128911327).

1321013322333 is a wasteful number, since it uses less digits than its factorization.

1321013322333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913788 (or 913785 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

Adding to 1321013322333 its reverse (3332233101231), we get a palindrome (4653246423564).

The spelling of 1321013322333 in words is "one trillion, three hundred twenty-one billion, thirteen million, three hundred twenty-two thousand, three hundred thirty-three".