13321340031541 has 2 divisors, whose sum is σ = 13321340031542. Its totient is φ = 13321340031540.

The previous prime is 13321340031481. The next prime is 13321340031547. The reversal of 13321340031541 is 14513004312331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12863132883441 + 458207148100 = 3586521^2 + 676910^2 .

It is a cyclic number.

It is not a de Polignac number, because 13321340031541 - 2¹⁵ = 13321339998773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13321340031547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6660670015770 + 6660670015771.

It is an arithmetic number, because the mean of its divisors is an integer number (6660670015771).

Almost surely, 2^{13321340031541} is an apocalyptic number.

It is an amenable number.

13321340031541 is a deficient number, since it is larger than the sum of its proper divisors (1).

13321340031541 is an equidigital number, since it uses as much as digits as its factorization.

13321340031541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 13321340031541 its reverse (14513004312331), we get a palindrome (27834344343872).

The spelling of 13321340031541 in words is "thirteen trillion, three hundred twenty-one billion, three hundred forty million, thirty-one thousand, five hundred forty-one".