2212133131 has 4 divisors (see below), whose sum is σ = 2382297232. Its totient is φ = 2041969032.

The previous prime is 2212133107. The next prime is 2212133149. The reversal of 2212133131 is 1313312122.

2212133131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2212133131 - 2⁹ = 2212132619 is a prime.

It is a super-2 number, since 2×2212133131² = 9787065978535726322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2212133099 and 2212133108.

It is not an unprimeable number, because it can be changed into a prime (2212133191) 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, 85082031 + ... + 85082056.

It is an arithmetic number, because the mean of its divisors is an integer number (595574308).

Almost surely, 2^2212133131 is an apocalyptic number.

2212133131 is a deficient number, since it is larger than the sum of its proper divisors (170164101).

2212133131 is a wasteful number, since it uses less digits than its factorization.

2212133131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170164100.

The product of its digits is 216, while the sum is 19.

The square root of 2212133131 is about 47033.3193704208. The cubic root of 2212133131 is about 1302.9780112898.

Adding to 2212133131 its reverse (1313312122), we get a palindrome (3525445253).

The spelling of 2212133131 in words is "two billion, two hundred twelve million, one hundred thirty-three thousand, one hundred thirty-one".