3323143121 has 4 divisors (see below), whose sum is σ = 3323878512. Its totient is φ = 3322407732.

The previous prime is 3323143091. The next prime is 3323143133. The reversal of 3323143121 is 1213413233.

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 a de Polignac number, because none of the positive numbers 2^k-3323143121 is a prime.

It is a super-2 number, since 2×3323143121² = 22086560405299241282, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3323143141) 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, 360875 + ... + 369968.

It is an arithmetic number, because the mean of its divisors is an integer number (830969628).

Almost surely, 2^3323143121 is an apocalyptic number.

It is an amenable number.

3323143121 is a deficient number, since it is larger than the sum of its proper divisors (735391).

3323143121 is an equidigital number, since it uses as much as digits as its factorization.

3323143121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735390.

The product of its digits is 1296, while the sum is 23.

The square root of 3323143121 is about 57646.7095418290. The cubic root of 3323143121 is about 1492.2778128453.

Adding to 3323143121 its reverse (1213413233), we get a palindrome (4536556354).

The spelling of 3323143121 in words is "three billion, three hundred twenty-three million, one hundred forty-three thousand, one hundred twenty-one".