1321003343133 has 12 divisors (see below), whose sum is σ = 1908129526368. Its totient is φ = 880662624840.

The previous prime is 1321003343131. The next prime is 1321003343147. The reversal of 1321003343133 is 3313433001231.

1321003343133 is a `hidden beast` number, since 1 + 3 + 2 + 10 + 0 + 334 + 313 + 3 = 666.

It is not a de Polignac number, because 1321003343133 - 2¹ = 1321003343131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1321003343097 and 1321003343106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321003343131) 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, 1065766 + ... + 1943672.

It is an arithmetic number, because the mean of its divisors is an integer number (159010793864).

Almost surely, 2^{1321003343133} is an apocalyptic number.

It is an amenable number.

1321003343133 is a deficient number, since it is larger than the sum of its proper divisors (587126183235).

1321003343133 is a wasteful number, since it uses less digits than its factorization.

1321003343133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045104 (or 1045101 counting only the distinct ones).

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

Adding to 1321003343133 its reverse (3313433001231), we get a palindrome (4634436344364).

The spelling of 1321003343133 in words is "one trillion, three hundred twenty-one billion, three million, three hundred forty-three thousand, one hundred thirty-three".