2131113330 has 48 divisors (see below), whose sum is σ = 5589955800. Its totient is φ = 563265024.

The previous prime is 2131113317. The next prime is 2131113331. The reversal of 2131113330 is 333111312.

It is a happy number.

2131113330 is a `hidden beast` number, since 21 + 311 + 1 + 3 + 330 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1146973689 + 984139641 = 33867^2 + 31371^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2131113331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94605 + ... + 114944.

Almost surely, 2^2131113330 is an apocalyptic number.

2131113330 is an abundant number, since it is smaller than the sum of its proper divisors (3458842470).

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

2131113330 is a wasteful number, since it uses less digits than its factorization.

2131113330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209675 (or 209672 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 2131113330 is about 46163.9830387284. The cubic root of 2131113330 is about 1286.8724849801.

Adding to 2131113330 its reverse (333111312), we get a palindrome (2464224642).

The spelling of 2131113330 in words is "two billion, one hundred thirty-one million, one hundred thirteen thousand, three hundred thirty".