1113330431020 has 24 divisors (see below), whose sum is σ = 2338486210368. Its totient is φ = 445238400000.

The previous prime is 1113330431011. The next prime is 1113330431023. The reversal of 1113330431020 is 201340333111.

It is a junction number, because it is equal to n+sod(n) for n = 1113330430982 and 1113330431000.

It is not an unprimeable number, because it can be changed into a prime (1113330431023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5763381 + ... + 5953420.

It is an arithmetic number, because the mean of its divisors is an integer number (97436925432).

Almost surely, 2^{1113330431020} is an apocalyptic number.

1113330431020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1113330431020 is an abundant number, since it is smaller than the sum of its proper divisors (1225155779348).

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

1113330431020 is a wasteful number, since it uses less digits than its factorization.

1113330431020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11721561 (or 11721559 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1113330431020 its reverse (201340333111), we get a palindrome (1314670764131).

The spelling of 1113330431020 in words is "one trillion, one hundred thirteen billion, three hundred thirty million, four hundred thirty-one thousand, twenty".