1330003313021 has 4 divisors (see below), whose sum is σ = 1336966681344. Its totient is φ = 1323039944700.

The previous prime is 1330003312993. The next prime is 1330003313027. The reversal of 1330003313021 is 1203133000331.

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 1330003313021 - 2²² = 1329999118717 is a prime.

It is a super-2 number, since 2×1330003313021² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1330003312984 and 1330003313002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330003313027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3481683875 + ... + 3481684256.

It is an arithmetic number, because the mean of its divisors is an integer number (334241670336).

Almost surely, 2^{1330003313021} is an apocalyptic number.

It is an amenable number.

1330003313021 is a deficient number, since it is larger than the sum of its proper divisors (6963368323).

1330003313021 is an equidigital number, since it uses as much as digits as its factorization.

1330003313021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6963368322.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 1330003313021 its reverse (1203133000331), we get a palindrome (2533136313352).

The spelling of 1330003313021 in words is "one trillion, three hundred thirty billion, three million, three hundred thirteen thousand, twenty-one".