13130223243157 has 2 divisors, whose sum is σ = 13130223243158. Its totient is φ = 13130223243156.

The previous prime is 13130223243133. The next prime is 13130223243223. The reversal of 13130223243157 is 75134232203131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10520363607121 + 2609859636036 = 3243511^2 + 1615506^2 .

It is a cyclic number.

It is not a de Polignac number, because 13130223243157 - 2¹⁵ = 13130223210389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13130223243857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6565111621578 + 6565111621579.

It is an arithmetic number, because the mean of its divisors is an integer number (6565111621579).

Almost surely, 2^{13130223243157} is an apocalyptic number.

It is an amenable number.

13130223243157 is a deficient number, since it is larger than the sum of its proper divisors (1).

13130223243157 is an equidigital number, since it uses as much as digits as its factorization.

13130223243157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 37.

Adding to 13130223243157 its reverse (75134232203131), we get a palindrome (88264455446288).

The spelling of 13130223243157 in words is "thirteen trillion, one hundred thirty billion, two hundred twenty-three million, two hundred forty-three thousand, one hundred fifty-seven".