2131023230 has 24 divisors (see below), whose sum is σ = 4462102728. Its totient is φ = 730636368.

The previous prime is 2131023221. The next prime is 2131023233. The reversal of 2131023230 is 323201312.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2131023199 and 2131023208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131023233) 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 11 ways as a sum of consecutive naturals, for example, 2174024 + ... + 2175003.

It is an arithmetic number, because the mean of its divisors is an integer number (185920947).

Almost surely, 2^2131023230 is an apocalyptic number.

2131023230 is an abundant number, since it is smaller than the sum of its proper divisors (2331079498).

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

2131023230 is a wasteful number, since it uses less digits than its factorization.

2131023230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4349048 (or 4349041 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2131023230 is about 46163.0071594128. The cubic root of 2131023230 is about 1286.8543491004.

Adding to 2131023230 its reverse (323201312), we get a palindrome (2454224542).

The spelling of 2131023230 in words is "two billion, one hundred thirty-one million, twenty-three thousand, two hundred thirty".