2131031230 has 16 divisors (see below), whose sum is σ = 3917471040. Its totient is φ = 834275872.

The previous prime is 2131031197. The next prime is 2131031237. The reversal of 2131031230 is 321301312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131031237) 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 7 ways as a sum of consecutive naturals, for example, 2266585 + ... + 2267524.

It is an arithmetic number, because the mean of its divisors is an integer number (244841940).

Almost surely, 2^2131031230 is an apocalyptic number.

2131031230 is a deficient number, since it is larger than the sum of its proper divisors (1786439810).

2131031230 is a wasteful number, since it uses less digits than its factorization.

2131031230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4534163.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 2131031230 is about 46163.0938087993. The cubic root of 2131031230 is about 1286.8559594100.

Adding to 2131031230 its reverse (321301312), we get a palindrome (2452332542).

The spelling of 2131031230 in words is "two billion, one hundred thirty-one million, thirty-one thousand, two hundred thirty".