2143000131 has 4 divisors (see below), whose sum is σ = 2857333512. Its totient is φ = 1428666752.

The previous prime is 2143000103. The next prime is 2143000133. The reversal of 2143000131 is 1310003412.

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

It is a cyclic number.

It is not a de Polignac number, because 2143000131 - 2¹¹ = 2142998083 is a prime.

It is a super-2 number, since 2×2143000131² = 9184899122932034322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2143000131.

It is not an unprimeable number, because it can be changed into a prime (2143000133) 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, 357166686 + ... + 357166691.

It is an arithmetic number, because the mean of its divisors is an integer number (714333378).

Almost surely, 2^2143000131 is an apocalyptic number.

2143000131 is a deficient number, since it is larger than the sum of its proper divisors (714333381).

2143000131 is an equidigital number, since it uses as much as digits as its factorization.

2143000131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714333380.

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

The square root of 2143000131 is about 46292.5494113254. The cubic root of 2143000131 is about 1289.2606646229.

Adding to 2143000131 its reverse (1310003412), we get a palindrome (3453003543).

The spelling of 2143000131 in words is "two billion, one hundred forty-three million, one hundred thirty-one", and thus it is an aban number.