2131112144430 has 96 divisors (see below), whose sum is σ = 5770427364000. Its totient is φ = 545017487616.

The previous prime is 2131112144429. The next prime is 2131112144437. The reversal of 2131112144430 is 344412111312.

It is a happy number.

2131112144430 is a `hidden beast` number, since 2 + 1 + 3 + 1 + 1 + 1 + 214 + 443 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 2131112144394 and 2131112144403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131112144437) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2351104 + ... + 3128883.

It is an arithmetic number, because the mean of its divisors is an integer number (60108618375).

Almost surely, 2^{2131112144430} is an apocalyptic number.

2131112144430 is an abundant number, since it is smaller than the sum of its proper divisors (3639315219570).

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

2131112144430 is a wasteful number, since it uses less digits than its factorization.

2131112144430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5480178 (or 5480175 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 2131112144430 its reverse (344412111312), we get a palindrome (2475524255742).

The spelling of 2131112144430 in words is "two trillion, one hundred thirty-one billion, one hundred twelve million, one hundred forty-four thousand, four hundred thirty".