13031211001801 has 2 divisors, whose sum is σ = 13031211001802. Its totient is φ = 13031211001800.

The previous prime is 13031211001793. The next prime is 13031211001811. The reversal of 13031211001801 is 10810011213031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6879079840000 + 6152131161801 = 2622800^2 + 2480349^2 .

It is a cyclic number.

It is not a de Polignac number, because 13031211001801 - 2³ = 13031211001793 is a prime.

It is not a weakly prime, because it can be changed into another prime (13031211001811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6515605500900 + 6515605500901.

It is an arithmetic number, because the mean of its divisors is an integer number (6515605500901).

Almost surely, 2^{13031211001801} is an apocalyptic number.

It is an amenable number.

13031211001801 is a deficient number, since it is larger than the sum of its proper divisors (1).

13031211001801 is an equidigital number, since it uses as much as digits as its factorization.

13031211001801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 22.

Adding to 13031211001801 its reverse (10810011213031), we get a palindrome (23841222214832).

The spelling of 13031211001801 in words is "thirteen trillion, thirty-one billion, two hundred eleven million, one thousand, eight hundred one".