2021231230 has 16 divisors (see below), whose sum is σ = 3643289280. Its totient is φ = 807365152.

The previous prime is 2021231209. The next prime is 2021231231. The reversal of 2021231230 is 321321202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021231231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133369 + ... + 147748.

It is an arithmetic number, because the mean of its divisors is an integer number (227705580).

Almost surely, 2^2021231230 is an apocalyptic number.

2021231230 is a deficient number, since it is larger than the sum of its proper divisors (1622058050).

2021231230 is a wasteful number, since it uses less digits than its factorization.

2021231230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281843.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2021231230 is about 44958.1052759122. The cubic root of 2021231230 is about 1264.3636454214.

Adding to 2021231230 its reverse (321321202), we get a palindrome (2342552432).

The spelling of 2021231230 in words is "two billion, twenty-one million, two hundred thirty-one thousand, two hundred thirty".