2131140412 has 12 divisors (see below), whose sum is σ = 3730138776. Its totient is φ = 1065386480.

The previous prime is 2131140397. The next prime is 2131140413. The reversal of 2131140412 is 2140411312.

It is a self number, because there is not a number n which added to its sum of digits gives 2131140412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131140413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17938 + ... + 67705.

It is an arithmetic number, because the mean of its divisors is an integer number (310844898).

Almost surely, 2^2131140412 is an apocalyptic number.

It is an amenable number.

2131140412 is a deficient number, since it is larger than the sum of its proper divisors (1598998364).

2131140412 is a wasteful number, since it uses less digits than its factorization.

2131140412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91868 (or 91866 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 2131140412 is about 46164.2763617064. The cubic root of 2131140412 is about 1286.8779361110.

Adding to 2131140412 its reverse (2140411312), we get a palindrome (4271551724).

The spelling of 2131140412 in words is "two billion, one hundred thirty-one million, one hundred forty thousand, four hundred twelve".