13113111311340 has 96 divisors (see below), whose sum is σ = 37756374070464. Its totient is φ = 3398051404800.

The previous prime is 13113111311233. The next prime is 13113111311341. The reversal of 13113111311340 is 4311311131131.

It is a self number, because there is not a number n which added to its sum of digits gives 13113111311340.

It is not an unprimeable number, because it can be changed into a prime (13113111311341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1936311 + ... + 5474990.

It is an arithmetic number, because the mean of its divisors is an integer number (393295563234).

Almost surely, 2^{13113111311340} is an apocalyptic number.

13113111311340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13113111311340 is an abundant number, since it is smaller than the sum of its proper divisors (24643262759124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13113111311340 is a wasteful number, since it uses less digits than its factorization.

13113111311340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7412147 (or 7412145 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 24.

Adding to 13113111311340 its reverse (4311311131131), we get a palindrome (17424422442471).

The spelling of 13113111311340 in words is "thirteen trillion, one hundred thirteen billion, one hundred eleven million, three hundred eleven thousand, three hundred forty".