2130431144021 has 16 divisors (see below), whose sum is σ = 2230380085248. Its totient is φ = 2032440337200.

The previous prime is 2130431143927. The next prime is 2130431144063. The reversal of 2130431144021 is 1204411340312.

It is a cyclic number.

It is not a de Polignac number, because 2130431144021 - 2¹⁸ = 2130430881877 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 (2130431144521) 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, 21394670 + ... + 21494016.

It is an arithmetic number, because the mean of its divisors is an integer number (139398755328).

Almost surely, 2^{2130431144021} is an apocalyptic number.

It is an amenable number.

2130431144021 is a deficient number, since it is larger than the sum of its proper divisors (99948941227).

2130431144021 is an equidigital number, since it uses as much as digits as its factorization.

2130431144021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109192.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 2130431144021 its reverse (1204411340312), we get a palindrome (3334842484333).

The spelling of 2130431144021 in words is "two trillion, one hundred thirty billion, four hundred thirty-one million, one hundred forty-four thousand, twenty-one".