11013323131997 has 2 divisors, whose sum is σ = 11013323131998. Its totient is φ = 11013323131996.

The previous prime is 11013323131961. The next prime is 11013323132027. The reversal of 11013323131997 is 79913132331011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6033846919321 + 4979476212676 = 2456389^2 + 2231474^2 .

It is a cyclic number.

It is not a de Polignac number, because 11013323131997 - 2¹⁶ = 11013323066461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11013323101997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5506661565998 + 5506661565999.

It is an arithmetic number, because the mean of its divisors is an integer number (5506661565999).

Almost surely, 2^{11013323131997} is an apocalyptic number.

It is an amenable number.

11013323131997 is a deficient number, since it is larger than the sum of its proper divisors (1).

11013323131997 is an equidigital number, since it uses as much as digits as its factorization.

11013323131997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 91854, while the sum is 44.

The spelling of 11013323131997 in words is "eleven trillion, thirteen billion, three hundred twenty-three million, one hundred thirty-one thousand, nine hundred ninety-seven".