2131302120043 has 2 divisors, whose sum is σ = 2131302120044. Its totient is φ = 2131302120042.

The previous prime is 2131302120007. The next prime is 2131302120061. The reversal of 2131302120043 is 3400212031312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2131302120043 - 2¹⁷ = 2131301988971 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2131302119996 and 2131302120023.

It is not a weakly prime, because it can be changed into another prime (2131302123043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065651060021 + 1065651060022.

It is an arithmetic number, because the mean of its divisors is an integer number (1065651060022).

Almost surely, 2^{2131302120043} is an apocalyptic number.

2131302120043 is a deficient number, since it is larger than the sum of its proper divisors (1).

2131302120043 is an equidigital number, since it uses as much as digits as its factorization.

2131302120043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2131302120043 its reverse (3400212031312), we get a palindrome (5531514151355).

The spelling of 2131302120043 in words is "two trillion, one hundred thirty-one billion, three hundred two million, one hundred twenty thousand, forty-three".