3220211131 has 2 divisors, whose sum is σ = 3220211132. Its totient is φ = 3220211130.

The previous prime is 3220211129. The next prime is 3220211173. The reversal of 3220211131 is 1311120223.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3220211131 - 2¹ = 3220211129 is a prime.

It is a super-2 number, since 2×3220211131² = 20739519456432598322, which contains 22 as substring.

Together with 3220211129, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3220211431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610105565 + 1610105566.

It is an arithmetic number, because the mean of its divisors is an integer number (1610105566).

Almost surely, 2^3220211131 is an apocalyptic number.

3220211131 is a deficient number, since it is larger than the sum of its proper divisors (1).

3220211131 is an equidigital number, since it uses as much as digits as its factorization.

3220211131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 3220211131 is about 56746.9041534426. The cubic root of 3220211131 is about 1476.7085257755.

Adding to 3220211131 its reverse (1311120223), we get a palindrome (4531331354).

The spelling of 3220211131 in words is "three billion, two hundred twenty million, two hundred eleven thousand, one hundred thirty-one".