13111443030 has 48 divisors (see below), whose sum is σ = 36605012400. Its totient is φ = 2996900928.

The previous prime is 13111442969. The next prime is 13111443041. The reversal of 13111443030 is 3034411131.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 13111442988 and 13111443006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4458205 + ... + 4461144.

It is an arithmetic number, because the mean of its divisors is an integer number (762604425).

Almost surely, 2^13111443030 is an apocalyptic number.

13111443030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13111443030 is an abundant number, since it is smaller than the sum of its proper divisors (23493569370).

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

13111443030 is a wasteful number, since it uses less digits than its factorization.

13111443030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8919373 (or 8919366 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 13111443030 its reverse (3034411131), we get a palindrome (16145854161).

The spelling of 13111443030 in words is "thirteen billion, one hundred eleven million, four hundred forty-three thousand, thirty".