2143431000143 has 4 divisors (see below), whose sum is σ = 2269515176640. Its totient is φ = 2017346823648.

The previous prime is 2143431000107. The next prime is 2143431000169. The reversal of 2143431000143 is 3410001343412.

It is a happy number.

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 2143431000143 - 2⁶ = 2143431000079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143431000343) 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, 63042088223 + ... + 63042088256.

It is an arithmetic number, because the mean of its divisors is an integer number (567378794160).

Almost surely, 2^{2143431000143} is an apocalyptic number.

2143431000143 is a deficient number, since it is larger than the sum of its proper divisors (126084176497).

2143431000143 is a wasteful number, since it uses less digits than its factorization.

2143431000143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126084176496.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 2143431000143 its reverse (3410001343412), we get a palindrome (5553432343555).

The spelling of 2143431000143 in words is "two trillion, one hundred forty-three billion, four hundred thirty-one million, one hundred forty-three", and thus it is an aban number.