2131303121203 has 2 divisors, whose sum is σ = 2131303121204. Its totient is φ = 2131303121202.

The previous prime is 2131303121119. The next prime is 2131303121273. The reversal of 2131303121203 is 3021213031312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2131303121203 - 2¹³ = 2131303113011 is a prime.

It is not a weakly prime, because it can be changed into another prime (2131303121273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065651560601 + 1065651560602.

It is an arithmetic number, because the mean of its divisors is an integer number (1065651560602).

Almost surely, 2^{2131303121203} is an apocalyptic number.

2131303121203 is a deficient number, since it is larger than the sum of its proper divisors (1).

2131303121203 is an equidigital number, since it uses as much as digits as its factorization.

2131303121203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 2131303121203 its reverse (3021213031312), we get a palindrome (5152516152515).

It can be divided in two parts, 213130 and 3121203, that added together give a palindrome (3334333).

The spelling of 2131303121203 in words is "two trillion, one hundred thirty-one billion, three hundred three million, one hundred twenty-one thousand, two hundred three".