13031230211137 has 2 divisors, whose sum is σ = 13031230211138. Its totient is φ = 13031230211136.

The previous prime is 13031230211099. The next prime is 13031230211143. The reversal of 13031230211137 is 73111203213031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6744180465936 + 6287049745201 = 2596956^2 + 2507399^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13031230211137 is a prime.

It is not a weakly prime, because it can be changed into another prime (13031230211147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6515615105568 + 6515615105569.

It is an arithmetic number, because the mean of its divisors is an integer number (6515615105569).

Almost surely, 2^{13031230211137} is an apocalyptic number.

It is an amenable number.

13031230211137 is a deficient number, since it is larger than the sum of its proper divisors (1).

13031230211137 is an equidigital number, since it uses as much as digits as its factorization.

13031230211137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 28.

Adding to 13031230211137 its reverse (73111203213031), we get a palindrome (86142433424168).

The spelling of 13031230211137 in words is "thirteen trillion, thirty-one billion, two hundred thirty million, two hundred eleven thousand, one hundred thirty-seven".