13111100302331 has 4 divisors (see below), whose sum is σ = 13801158213000. Its totient is φ = 12421042391664.

The previous prime is 13111100302309. The next prime is 13111100302343. The reversal of 13111100302331 is 13320300111131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13111100302331 - 2¹⁸ = 13111100040187 is a prime.

It is a super-2 number, since 2×13111100302331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13111100302831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345028955306 + ... + 345028955343.

It is an arithmetic number, because the mean of its divisors is an integer number (3450289553250).

Almost surely, 2^{13111100302331} is an apocalyptic number.

13111100302331 is a deficient number, since it is larger than the sum of its proper divisors (690057910669).

13111100302331 is an equidigital number, since it uses as much as digits as its factorization.

13111100302331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690057910668.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 13111100302331 its reverse (13320300111131), we get a palindrome (26431400413462).

The spelling of 13111100302331 in words is "thirteen trillion, one hundred eleven billion, one hundred million, three hundred two thousand, three hundred thirty-one".