3133313321 has 4 divisors (see below), whose sum is σ = 3134076672. Its totient is φ = 3132549972.

The previous prime is 3133313317. The next prime is 3133313341. The reversal of 3133313321 is 1233133313.

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 3133313321 - 2² = 3133313317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3133313341) 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, 375485 + ... + 383738.

It is an arithmetic number, because the mean of its divisors is an integer number (783519168).

Almost surely, 2^3133313321 is an apocalyptic number.

It is an amenable number.

3133313321 is a deficient number, since it is larger than the sum of its proper divisors (763351).

3133313321 is an equidigital number, since it uses as much as digits as its factorization.

3133313321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763350.

The product of its digits is 1458, while the sum is 23.

The square root of 3133313321 is about 55976.0066546373. The cubic root of 3133313321 is about 1463.3041637401.

Adding to 3133313321 its reverse (1233133313), we get a palindrome (4366446634).

The spelling of 3133313321 in words is "three billion, one hundred thirty-three million, three hundred thirteen thousand, three hundred twenty-one".