2131452131543 has 4 divisors (see below), whose sum is σ = 2435945293200. Its totient is φ = 1826958969888.

The previous prime is 2131452131537. The next prime is 2131452131569. The reversal of 2131452131543 is 3451312541312.

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 2131452131543 - 2⁸ = 2131452131287 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 (2131452131593) 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, 152246580818 + ... + 152246580831.

It is an arithmetic number, because the mean of its divisors is an integer number (608986323300).

Almost surely, 2^{2131452131543} is an apocalyptic number.

2131452131543 is a deficient number, since it is larger than the sum of its proper divisors (304493161657).

2131452131543 is an equidigital number, since it uses as much as digits as its factorization.

2131452131543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304493161656.

The product of its digits is 43200, while the sum is 35.

Adding to 2131452131543 its reverse (3451312541312), we get a palindrome (5582764672855).

The spelling of 2131452131543 in words is "two trillion, one hundred thirty-one billion, four hundred fifty-two million, one hundred thirty-one thousand, five hundred forty-three".