2131743 has 16 divisors (see below), whose sum is σ = 3024000. Its totient is φ = 1332000.

The previous prime is 2131721. The next prime is 2131771. The reversal of 2131743 is 3471312.

It is not a de Polignac number, because 2131743 - 2⁹ = 2131231 is a prime.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131793) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8368 + ... + 8618.

It is an arithmetic number, because the mean of its divisors is an integer number (189000).

2^2131743 is an apocalyptic number.

2131743 is a deficient number, since it is larger than the sum of its proper divisors (892257).

2131743 is a wasteful number, since it uses less digits than its factorization.

2131743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422.

The product of its digits is 504, while the sum is 21.

The square root of 2131743 is about 1460.0489717814. The cubic root of 2131743 is about 128.6999214547.

The spelling of 2131743 in words is "two million, one hundred thirty-one thousand, seven hundred forty-three".