11313443420 has 12 divisors (see below), whose sum is σ = 23758231224. Its totient is φ = 4525377360.

The previous prime is 11313443419. The next prime is 11313443437. The reversal of 11313443420 is 2434431311.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11313443420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282836066 + ... + 282836105.

It is an arithmetic number, because the mean of its divisors is an integer number (1979852602).

Almost surely, 2^11313443420 is an apocalyptic number.

11313443420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11313443420 is an abundant number, since it is smaller than the sum of its proper divisors (12444787804).

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

11313443420 is a wasteful number, since it uses less digits than its factorization.

11313443420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565672180 (or 565672178 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 11313443420 its reverse (2434431311), we get a palindrome (13747874731).

The spelling of 11313443420 in words is "eleven billion, three hundred thirteen million, four hundred forty-three thousand, four hundred twenty".