1302131132213 has 2 divisors, whose sum is σ = 1302131132214. Its totient is φ = 1302131132212.

The previous prime is 1302131132143. The next prime is 1302131132297. The reversal of 1302131132213 is 3122311312031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1090422558289 + 211708573924 = 1044233^2 + 460118^2 .

It is an emirp because it is prime and its reverse (3122311312031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1302131132213 - 2²⁰ = 1302130083637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1302131132413) 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, 651065566106 + 651065566107.

It is an arithmetic number, because the mean of its divisors is an integer number (651065566107).

Almost surely, 2^{1302131132213} is an apocalyptic number.

It is an amenable number.

1302131132213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1302131132213 is an equidigital number, since it uses as much as digits as its factorization.

1302131132213 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 23.

Adding to 1302131132213 its reverse (3122311312031), we get a palindrome (4424442444244).

The spelling of 1302131132213 in words is "one trillion, three hundred two billion, one hundred thirty-one million, one hundred thirty-two thousand, two hundred thirteen".