3213333121 has 2 divisors, whose sum is σ = 3213333122. Its totient is φ = 3213333120.

The previous prime is 3213333119. The next prime is 3213333161. The reversal of 3213333121 is 1213333123.

3213333121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1717190721 + 1496142400 = 41439^2 + 38680^2 .

It is a cyclic number.

It is not a de Polignac number, because 3213333121 - 2¹ = 3213333119 is a prime.

Together with 3213333119, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 3213333092 and 3213333101.

It is not a weakly prime, because it can be changed into another prime (3213333161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1606666560 + 1606666561.

It is an arithmetic number, because the mean of its divisors is an integer number (1606666561).

Almost surely, 2^3213333121 is an apocalyptic number.

It is an amenable number.

3213333121 is a deficient number, since it is larger than the sum of its proper divisors (1).

3213333121 is an equidigital number, since it uses as much as digits as its factorization.

3213333121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 972, while the sum is 22.

The square root of 3213333121 is about 56686.2692457353. The cubic root of 3213333121 is about 1475.6564150639.

Adding to 3213333121 its reverse (1213333123), we get a palindrome (4426666244).

The spelling of 3213333121 in words is "three billion, two hundred thirteen million, three hundred thirty-three thousand, one hundred twenty-one".