2842131 has 4 divisors (see below), whose sum is σ = 3789512. Its totient is φ = 1894752.

The previous prime is 2842127. The next prime is 2842139. The reversal of 2842131 is 1312482.

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

It is not a de Polignac number, because 2842131 - 2² = 2842127 is a prime.

It is a super-2 number, since 2×2842131² = 16155417242322, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

2842131 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2842098 and 2842107.

It is not an unprimeable number, because it can be changed into a prime (2842139) 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, 473686 + ... + 473691.

It is an arithmetic number, because the mean of its divisors is an integer number (947378).

2^2842131 is an apocalyptic number.

2842131 is a deficient number, since it is larger than the sum of its proper divisors (947381).

2842131 is an equidigital number, since it uses as much as digits as its factorization.

2842131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947380.

The product of its digits is 384, while the sum is 21.

The square root of 2842131 is about 1685.8620940041. The cubic root of 2842131 is about 141.6493862813.

It can be divided in two parts, 284 and 2131, that added together give a triangular number (2415 = T₆₉).

The spelling of 2842131 in words is "two million, eight hundred forty-two thousand, one hundred thirty-one".