2871213133 has 4 divisors (see below), whose sum is σ = 2871557920. Its totient is φ = 2870868348.

The previous prime is 2871213097. The next prime is 2871213143. The reversal of 2871213133 is 3313121782.

2871213133 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2871213133 is a prime.

It is a super-2 number, since 2×2871213133² = 16487729710223351378, 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 = 2871213095 and 2871213104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2871213143) 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, 159585 + ... + 176662.

It is an arithmetic number, because the mean of its divisors is an integer number (717889480).

Almost surely, 2^2871213133 is an apocalyptic number.

It is an amenable number.

2871213133 is a deficient number, since it is larger than the sum of its proper divisors (344787).

2871213133 is an equidigital number, since it uses as much as digits as its factorization.

2871213133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344786.

The product of its digits is 6048, while the sum is 31.

The square root of 2871213133 is about 53583.7021210741. The cubic root of 2871213133 is about 1421.3089057033.

The spelling of 2871213133 in words is "two billion, eight hundred seventy-one million, two hundred thirteen thousand, one hundred thirty-three".