13111421324340 has 96 divisors (see below), whose sum is σ = 36776350679040. Its totient is φ = 3490249689216.

The previous prime is 13111421324333. The next prime is 13111421324359. The reversal of 13111421324340 is 4342312411131.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 13111421324298 and 13111421324307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 635263741 + ... + 635284379.

It is an arithmetic number, because the mean of its divisors is an integer number (383086986240).

Almost surely, 2^{13111421324340} is an apocalyptic number.

13111421324340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13111421324340 is an abundant number, since it is smaller than the sum of its proper divisors (23664929354700).

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

13111421324340 is a wasteful number, since it uses less digits than its factorization.

13111421324340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38701 (or 38699 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 13111421324340 its reverse (4342312411131), we get a palindrome (17453733735471).

The spelling of 13111421324340 in words is "thirteen trillion, one hundred eleven billion, four hundred twenty-one million, three hundred twenty-four thousand, three hundred forty".