1302130231117 has 2 divisors, whose sum is σ = 1302130231118. Its totient is φ = 1302130231116.

The previous prime is 1302130231111. The next prime is 1302130231141. The reversal of 1302130231117 is 7111320312031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1300395841801 + 1734389316 = 1140349^2 + 41646^2 .

It is a cyclic number.

It is not a de Polignac number, because 1302130231117 - 2³ = 1302130231109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1302130231091 and 1302130231100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1302130231111) 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, 651065115558 + 651065115559.

It is an arithmetic number, because the mean of its divisors is an integer number (651065115559).

Almost surely, 2^{1302130231117} is an apocalyptic number.

It is an amenable number.

1302130231117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1302130231117 is an equidigital number, since it uses as much as digits as its factorization.

1302130231117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 25.

Adding to 1302130231117 its reverse (7111320312031), we get a palindrome (8413450543148).

The spelling of 1302130231117 in words is "one trillion, three hundred two billion, one hundred thirty million, two hundred thirty-one thousand, one hundred seventeen".