3243220120331 has 4 divisors (see below), whose sum is σ = 3245816775000. Its totient is φ = 3240623465664.

The previous prime is 3243220120321. The next prime is 3243220120507. The reversal of 3243220120331 is 1330210223423.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3243220120331 - 2⁶ = 3243220120267 is a prime.

It is a super-2 number, since 2×3243220120331² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3243220120331.

It is not an unprimeable number, because it can be changed into a prime (3243220120321) 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, 1298325461 + ... + 1298327958.

It is an arithmetic number, because the mean of its divisors is an integer number (811454193750).

Almost surely, 2^{3243220120331} is an apocalyptic number.

3243220120331 is a deficient number, since it is larger than the sum of its proper divisors (2596654669).

3243220120331 is a wasteful number, since it uses less digits than its factorization.

3243220120331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2596654668.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 3243220120331 its reverse (1330210223423), we get a palindrome (4573430343754).

The spelling of 3243220120331 in words is "three trillion, two hundred forty-three billion, two hundred twenty million, one hundred twenty thousand, three hundred thirty-one".