2143041213 has 4 divisors (see below), whose sum is σ = 2857388288. Its totient is φ = 1428694140.

The previous prime is 2143041211. The next prime is 2143041239. The reversal of 2143041213 is 3121403412.

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 not a de Polignac number, because 2143041213 - 2¹ = 2143041211 is a prime.

It is a super-2 number, since 2×2143041213² = 9185251281233022738, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2143041213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143041211) 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, 357173533 + ... + 357173538.

It is an arithmetic number, because the mean of its divisors is an integer number (714347072).

Almost surely, 2^2143041213 is an apocalyptic number.

It is an amenable number.

2143041213 is a deficient number, since it is larger than the sum of its proper divisors (714347075).

2143041213 is an equidigital number, since it uses as much as digits as its factorization.

2143041213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714347074.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2143041213 is about 46292.9931307104. The cubic root of 2143041213 is about 1289.2689030838.

Adding to 2143041213 its reverse (3121403412), we get a palindrome (5264444625).

The spelling of 2143041213 in words is "two billion, one hundred forty-three million, forty-one thousand, two hundred thirteen".