3213211247 has 2 divisors, whose sum is σ = 3213211248. Its totient is φ = 3213211246.

The previous prime is 3213211229. The next prime is 3213211271. The reversal of 3213211247 is 7421123123.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3213211247 - 2¹⁴ = 3213194863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3213211217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1606605623 + 1606605624.

It is an arithmetic number, because the mean of its divisors is an integer number (1606605624).

Almost surely, 2^3213211247 is an apocalyptic number.

3213211247 is a deficient number, since it is larger than the sum of its proper divisors (1).

3213211247 is an equidigital number, since it uses as much as digits as its factorization.

3213211247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 26.

The square root of 3213211247 is about 56685.1942485866. The cubic root of 3213211247 is about 1475.6377587946.

The spelling of 3213211247 in words is "three billion, two hundred thirteen million, two hundred eleven thousand, two hundred forty-seven".