330320321133421 has 4 divisors (see below), whose sum is σ = 331636338349344. Its totient is φ = 329004303917500.

The previous prime is 330320321133359. The next prime is 330320321133431. The reversal of 330320321133421 is 124331123023033.

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 330320321133421 - 2¹¹ = 330320321131373 is a prime.

It is a super-2 number, since 2×330320321133421² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330320321133431) 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, 658008607585 + ... + 658008608086.

It is an arithmetic number, because the mean of its divisors is an integer number (82909084587336).

Almost surely, 2^{330320321133421} is an apocalyptic number.

It is an amenable number.

330320321133421 is a deficient number, since it is larger than the sum of its proper divisors (1316017215923).

330320321133421 is a wasteful number, since it uses less digits than its factorization.

330320321133421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1316017215922.

The product of its (nonzero) digits is 23328, while the sum is 31.

Adding to 330320321133421 its reverse (124331123023033), we get a palindrome (454651444156454).

The spelling of 330320321133421 in words is "three hundred thirty trillion, three hundred twenty billion, three hundred twenty-one million, one hundred thirty-three thousand, four hundred twenty-one".