2131342143 has 16 divisors (see below), whose sum is σ = 3286891776. Its totient is φ = 1203235200.

The previous prime is 2131342141. The next prime is 2131342177. The reversal of 2131342143 is 3412431312.

It is a happy number.

It is not a de Polignac number, because 2131342143 - 2¹ = 2131342141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131342141) 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, 609658 + ... + 613143.

It is an arithmetic number, because the mean of its divisors is an integer number (205430736).

Almost surely, 2^2131342143 is an apocalyptic number.

2131342143 is a deficient number, since it is larger than the sum of its proper divisors (1155549633).

2131342143 is a wasteful number, since it uses less digits than its factorization.

2131342143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222894.

The product of its digits is 1728, while the sum is 24.

The square root of 2131342143 is about 46166.4612354033. The cubic root of 2131342143 is about 1286.9185395645.

Adding to 2131342143 its reverse (3412431312), we get a palindrome (5543773455).

The spelling of 2131342143 in words is "two billion, one hundred thirty-one million, three hundred forty-two thousand, one hundred forty-three".