3031223213 has 2 divisors, whose sum is σ = 3031223214. Its totient is φ = 3031223212.

The previous prime is 3031223189. The next prime is 3031223249. The reversal of 3031223213 is 3123221303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2817274084 + 213949129 = 53078^2 + 14627^2 .

It is a cyclic number.

It is not a de Polignac number, because 3031223213 - 2¹⁸ = 3030961069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3031223813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1515611606 + 1515611607.

It is an arithmetic number, because the mean of its divisors is an integer number (1515611607).

Almost surely, 2^3031223213 is an apocalyptic number.

It is an amenable number.

3031223213 is a deficient number, since it is larger than the sum of its proper divisors (1).

3031223213 is an equidigital number, since it uses as much as digits as its factorization.

3031223213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 3031223213 is about 55056.5455963231. The cubic root of 3031223213 is about 1447.2358299410.

Adding to 3031223213 its reverse (3123221303), we get a palindrome (6154444516).

The spelling of 3031223213 in words is "three billion, thirty-one million, two hundred twenty-three thousand, two hundred thirteen".