2213201331 has 24 divisors (see below), whose sum is σ = 3497870064. Its totient is φ = 1337333760.

The previous prime is 2213201327. The next prime is 2213201363. The reversal of 2213201331 is 1331023122.

It is not a de Polignac number, because 2213201331 - 2² = 2213201327 is a prime.

It is a super-2 number, since 2×2213201331² = 9796520263080343122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2213200331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 195 + ... + 66531.

It is an arithmetic number, because the mean of its divisors is an integer number (145744586).

Almost surely, 2^2213201331 is an apocalyptic number.

2213201331 is a deficient number, since it is larger than the sum of its proper divisors (1284668733).

2213201331 is a wasteful number, since it uses less digits than its factorization.

2213201331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66691 (or 66688 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2213201331 is about 47044.6737792920. The cubic root of 2213201331 is about 1303.1877058934.

Adding to 2213201331 its reverse (1331023122), we get a palindrome (3544224453).

The spelling of 2213201331 in words is "two billion, two hundred thirteen million, two hundred one thousand, three hundred thirty-one".