2141231213 has 4 divisors (see below), whose sum is σ = 2335888608. Its totient is φ = 1946573820.

The previous prime is 2141231179. The next prime is 2141231219. The reversal of 2141231213 is 3121321412.

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.

It is a cyclic number.

It is not a de Polignac number, because 2141231213 - 2²⁴ = 2124453997 is a prime.

It is a super-2 number, since 2×2141231213² = 9169742215050902738, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2141231219) 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 3 ways as a sum of consecutive naturals, for example, 97328681 + ... + 97328702.

It is an arithmetic number, because the mean of its divisors is an integer number (583972152).

Almost surely, 2^2141231213 is an apocalyptic number.

It is an amenable number.

2141231213 is a deficient number, since it is larger than the sum of its proper divisors (194657395).

2141231213 is a wasteful number, since it uses less digits than its factorization.

2141231213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194657394.

The product of its digits is 288, while the sum is 20.

The square root of 2141231213 is about 46273.4396063228. The cubic root of 2141231213 is about 1288.9058312051.

Adding to 2141231213 its reverse (3121321412), we get a palindrome (5262552625).

It can be divided in two parts, 21412 and 31213, that added together give a palindrome (52625).

The spelling of 2141231213 in words is "two billion, one hundred forty-one million, two hundred thirty-one thousand, two hundred thirteen".