13111111123310 has 32 divisors (see below), whose sum is σ = 23715271411200. Its totient is φ = 5218878476448.

The previous prime is 13111111123267. The next prime is 13111111123333. The reversal of 13111111123310 is 1332111111131.

It is a super-2 number, since 2×13111111123310² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1015010 + ... + 5220389.

It is an arithmetic number, because the mean of its divisors is an integer number (741102231600).

Almost surely, 2^{13111111123310} is an apocalyptic number.

13111111123310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13111111123310 is a deficient number, since it is larger than the sum of its proper divisors (10604160287890).

13111111123310 is a wasteful number, since it uses less digits than its factorization.

13111111123310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6236432.

The product of its (nonzero) digits is 54, while the sum is 20.

Adding to 13111111123310 its reverse (1332111111131), we get a palindrome (14443222234441).

The spelling of 13111111123310 in words is "thirteen trillion, one hundred eleven billion, one hundred eleven million, one hundred twenty-three thousand, three hundred ten".