3213211229 has 2 divisors, whose sum is σ = 3213211230. Its totient is φ = 3213211228.

The previous prime is 3213211219. The next prime is 3213211247. The reversal of 3213211229 is 9221123123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1943928100 + 1269283129 = 44090^2 + 35627^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3213211229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3213211198 and 3213211207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3213211219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1606605614 + 1606605615.

It is an arithmetic number, because the mean of its divisors is an integer number (1606605615).

Almost surely, 2^3213211229 is an apocalyptic number.

It is an amenable number.

3213211229 is a deficient number, since it is larger than the sum of its proper divisors (1).

3213211229 is an equidigital number, since it uses as much as digits as its factorization.

3213211229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 26.

The square root of 3213211229 is about 56685.1940898150. The cubic root of 3213211229 is about 1475.6377560392.

The spelling of 3213211229 in words is "three billion, two hundred thirteen million, two hundred eleven thousand, two hundred twenty-nine".