13103111323331 has 4 divisors (see below), whose sum is σ = 13103215739064. Its totient is φ = 13103006907600.

The previous prime is 13103111323241. The next prime is 13103111323363. The reversal of 13103111323331 is 13332311130131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13103111323331 is a prime.

It is a super-2 number, since 2×13103111323331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13103111323331.

It is not an unprimeable number, because it can be changed into a prime (13103111323381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52019405 + ... + 52270686.

It is an arithmetic number, because the mean of its divisors is an integer number (3275803934766).

Almost surely, 2^{13103111323331} is an apocalyptic number.

13103111323331 is a deficient number, since it is larger than the sum of its proper divisors (104415733).

13103111323331 is a wasteful number, since it uses less digits than its factorization.

13103111323331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104415732.

The product of its (nonzero) digits is 1458, while the sum is 26.

Adding to 13103111323331 its reverse (13332311130131), we get a palindrome (26435422453462).

The spelling of 13103111323331 in words is "thirteen trillion, one hundred three billion, one hundred eleven million, three hundred twenty-three thousand, three hundred thirty-one".