3221011131 has 64 divisors (see below), whose sum is σ = 5058547200. Its totient is φ = 1805101056.

The previous prime is 3221011109. The next prime is 3221011153. The reversal of 3221011131 is 1311101223.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3221011109) and next prime (3221011153).

It is not a de Polignac number, because 3221011131 - 2⁶ = 3221011067 is a prime.

It is a super-2 number, since 2×3221011131² = 20749825412051798322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3221011131.

It is not an unprimeable number, because it can be changed into a prime (3221011181) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2620225 + ... + 2621453.

It is an arithmetic number, because the mean of its divisors is an integer number (79039800).

Almost surely, 2^3221011131 is an apocalyptic number.

3221011131 is a deficient number, since it is larger than the sum of its proper divisors (1837536069).

3221011131 is a wasteful number, since it uses less digits than its factorization.

3221011131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1388.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 3221011131 is about 56753.9525583902. The cubic root of 3221011131 is about 1476.8308023340.

Adding to 3221011131 its reverse (1311101223), we get a palindrome (4532112354).

The spelling of 3221011131 in words is "three billion, two hundred twenty-one million, eleven thousand, one hundred thirty-one".