1321130303033 has 4 divisors (see below), whose sum is σ = 1322203521408. Its totient is φ = 1320057084660.

The previous prime is 1321130302963. The next prime is 1321130303099. The reversal of 1321130303033 is 3303030311231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1321130303033 - 2²⁰ = 1321129254457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1321130303833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 536607341 + ... + 536609802.

It is an arithmetic number, because the mean of its divisors is an integer number (330550880352).

Almost surely, 2^{1321130303033} is an apocalyptic number.

It is an amenable number.

1321130303033 is a deficient number, since it is larger than the sum of its proper divisors (1073218375).

1321130303033 is a wasteful number, since it uses less digits than its factorization.

1321130303033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073218374.

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 1321130303033 its reverse (3303030311231), we get a palindrome (4624160614264).

The spelling of 1321130303033 in words is "one trillion, three hundred twenty-one billion, one hundred thirty million, three hundred three thousand, thirty-three".