2131143 has 8 divisors (see below), whose sum is σ = 3247488. Its totient is φ = 1217784.

The previous prime is 2131141. The next prime is 2131193. The reversal of 2131143 is 3411312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2131143 - 2¹ = 2131141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50721 + ... + 50762.

It is an arithmetic number, because the mean of its divisors is an integer number (405936).

2^2131143 is an apocalyptic number.

2131143 is a deficient number, since it is larger than the sum of its proper divisors (1116345).

2131143 is a wasteful number, since it uses less digits than its factorization.

2131143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101493.

The product of its digits is 72, while the sum is 15.

The square root of 2131143 is about 1459.8434847613. The cubic root of 2131143 is about 128.6878457027.

Adding to 2131143 its reverse (3411312), we get a palindrome (5542455).

The spelling of 2131143 in words is "two million, one hundred thirty-one thousand, one hundred forty-three".