210131320043 has 2 divisors, whose sum is σ = 210131320044. Its totient is φ = 210131320042.

The previous prime is 210131319997. The next prime is 210131320051. The reversal of 210131320043 is 340023131012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 210131320043 - 2¹⁴ = 210131303659 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210131319997 and 210131320024.

It is not a weakly prime, because it can be changed into another prime (210131320543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105065660021 + 105065660022.

It is an arithmetic number, because the mean of its divisors is an integer number (105065660022).

Almost surely, 2^210131320043 is an apocalyptic number.

210131320043 is a deficient number, since it is larger than the sum of its proper divisors (1).

210131320043 is an equidigital number, since it uses as much as digits as its factorization.

210131320043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 210131320043 its reverse (340023131012), we get a palindrome (550154451055).

The spelling of 210131320043 in words is "two hundred ten billion, one hundred thirty-one million, three hundred twenty thousand, forty-three".