2131144230 has 64 divisors (see below), whose sum is σ = 5159075328. Its totient is φ = 563404800.

The previous prime is 2131144217. The next prime is 2131144231. The reversal of 2131144230 is 324411312.

It is a junction number, because it is equal to n+sod(n) for n = 2131144197 and 2131144206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131144231) 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 31 ways as a sum of consecutive naturals, for example, 2027205 + ... + 2028255.

It is an arithmetic number, because the mean of its divisors is an integer number (80610552).

Almost surely, 2^2131144230 is an apocalyptic number.

2131144230 is an abundant number, since it is smaller than the sum of its proper divisors (3027931098).

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

2131144230 is a wasteful number, since it uses less digits than its factorization.

2131144230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1581.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2131144230 is about 46164.3177140094. The cubic root of 2131144230 is about 1286.8787046036.

Adding to 2131144230 its reverse (324411312), we get a palindrome (2455555542).

The spelling of 2131144230 in words is "two billion, one hundred thirty-one million, one hundred forty-four thousand, two hundred thirty".