3213444121 has 2 divisors, whose sum is σ = 3213444122. Its totient is φ = 3213444120.

The previous prime is 3213444107. The next prime is 3213444127. The reversal of 3213444121 is 1214443123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3129171721 + 84272400 = 55939^2 + 9180^2 .

It is a cyclic number.

It is not a de Polignac number, because 3213444121 - 2⁵ = 3213444089 is a prime.

It is not a weakly prime, because it can be changed into another prime (3213444127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1606722060 + 1606722061.

It is an arithmetic number, because the mean of its divisors is an integer number (1606722061).

Almost surely, 2^3213444121 is an apocalyptic number.

It is an amenable number.

3213444121 is a deficient number, since it is larger than the sum of its proper divisors (1).

3213444121 is an equidigital number, since it uses as much as digits as its factorization.

3213444121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 25.

The square root of 3213444121 is about 56687.2483103564. The cubic root of 3213444121 is about 1475.6734063488.

Adding to 3213444121 its reverse (1214443123), we get a palindrome (4427887244).

The spelling of 3213444121 in words is "three billion, two hundred thirteen million, four hundred forty-four thousand, one hundred twenty-one".