2201131213 has 4 divisors (see below), whose sum is σ = 2247963840. Its totient is φ = 2154298588.

The previous prime is 2201131159. The next prime is 2201131217. The reversal of 2201131213 is 3121311022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3121311022 = 2 ⋅1560655511.

It is a cyclic number.

It is not a de Polignac number, because 2201131213 - 2²⁵ = 2167576781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201131217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23416243 + ... + 23416336.

It is an arithmetic number, because the mean of its divisors is an integer number (561990960).

Almost surely, 2^2201131213 is an apocalyptic number.

It is an amenable number.

2201131213 is a deficient number, since it is larger than the sum of its proper divisors (46832627).

2201131213 is an equidigital number, since it uses as much as digits as its factorization.

2201131213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46832626.

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

The square root of 2201131213 is about 46916.2148196122. The cubic root of 2201131213 is about 1300.8143247088.

Adding to 2201131213 its reverse (3121311022), we get a palindrome (5322442235).

The spelling of 2201131213 in words is "two billion, two hundred one million, one hundred thirty-one thousand, two hundred thirteen".