2113330431444 has 12 divisors (see below), whose sum is σ = 4931104340064. Its totient is φ = 704443477144.

The previous prime is 2113330431439. The next prime is 2113330431449. The reversal of 2113330431444 is 4441340333112.

It is an interprime number because it is at equal distance from previous prime (2113330431439) and next prime (2113330431449).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113330431449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88055434632 + ... + 88055434655.

It is an arithmetic number, because the mean of its divisors is an integer number (410925361672).

Almost surely, 2^{2113330431444} is an apocalyptic number.

It is an amenable number.

2113330431444 is an abundant number, since it is smaller than the sum of its proper divisors (2817773908620).

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

2113330431444 is a wasteful number, since it uses less digits than its factorization.

2113330431444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176110869294 (or 176110869292 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 2113330431444 its reverse (4441340333112), we get a palindrome (6554670764556).

The spelling of 2113330431444 in words is "two trillion, one hundred thirteen billion, three hundred thirty million, four hundred thirty-one thousand, four hundred forty-four".