3120221323 has 4 divisors (see below), whose sum is σ = 3132362520. Its totient is φ = 3108080128.

The previous prime is 3120221303. The next prime is 3120221371. The reversal of 3120221323 is 3231220213.

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 3120221323 - 2²¹ = 3118124171 is a prime.

It is a super-3 number, since 3×3120221323³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 3120221323.

It is not an unprimeable number, because it can be changed into a prime (3120221303) 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, 6070213 + ... + 6070726.

It is an arithmetic number, because the mean of its divisors is an integer number (783090630).

Almost surely, 2^3120221323 is an apocalyptic number.

3120221323 is a deficient number, since it is larger than the sum of its proper divisors (12141197).

3120221323 is a wasteful number, since it uses less digits than its factorization.

3120221323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12141196.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 3120221323 is about 55858.9412985961. The cubic root of 3120221323 is about 1461.2632656540.

Adding to 3120221323 its reverse (3231220213), we get a palindrome (6351441536).

It can be divided in two parts, 31202 and 21323, that added together give a palindrome (52525).

The spelling of 3120221323 in words is "three billion, one hundred twenty million, two hundred twenty-one thousand, three hundred twenty-three".