13201030121231 has 2 divisors, whose sum is σ = 13201030121232. Its totient is φ = 13201030121230.

The previous prime is 13201030121203. The next prime is 13201030121269. The reversal of 13201030121231 is 13212103010231.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13201030121231 is a prime.

It is a super-2 number, since 2×13201030121231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13201030123231) 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, 6600515060615 + 6600515060616.

It is an arithmetic number, because the mean of its divisors is an integer number (6600515060616).

Almost surely, 2^{13201030121231} is an apocalyptic number.

13201030121231 is a deficient number, since it is larger than the sum of its proper divisors (1).

13201030121231 is an equidigital number, since it uses as much as digits as its factorization.

13201030121231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 13201030121231 its reverse (13212103010231), we get a palindrome (26413133131462).

The spelling of 13201030121231 in words is "thirteen trillion, two hundred one billion, thirty million, one hundred twenty-one thousand, two hundred thirty-one".