2131302120007 has 2 divisors, whose sum is σ = 2131302120008. Its totient is φ = 2131302120006.

The previous prime is 2131302119987. The next prime is 2131302120043. The reversal of 2131302120007 is 7000212031312.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2131302120007 - 2⁷ = 2131302119879 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2131302120007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2131302120107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065651060003 + 1065651060004.

It is an arithmetic number, because the mean of its divisors is an integer number (1065651060004).

Almost surely, 2^{2131302120007} is an apocalyptic number.

2131302120007 is a deficient number, since it is larger than the sum of its proper divisors (1).

2131302120007 is an equidigital number, since it uses as much as digits as its factorization.

2131302120007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 22.

Adding to 2131302120007 its reverse (7000212031312), we get a palindrome (9131514151319).

The spelling of 2131302120007 in words is "two trillion, one hundred thirty-one billion, three hundred two million, one hundred twenty thousand, seven".