4231150021 has 16 divisors (see below), whose sum is σ = 4958448768. Its totient is φ = 3534739200.

The previous prime is 4231150003. The next prime is 4231150037. The reversal of 4231150021 is 1200511324.

It is a cyclic number.

It is not a de Polignac number, because 4231150021 - 2³¹ = 2083666373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4231150061) 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 15 ways as a sum of consecutive naturals, for example, 306361 + ... + 319873.

It is an arithmetic number, because the mean of its divisors is an integer number (309903048).

Almost surely, 2^4231150021 is an apocalyptic number.

4231150021 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4231150021 is a deficient number, since it is larger than the sum of its proper divisors (727298747).

4231150021 is a wasteful number, since it uses less digits than its factorization.

4231150021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14652.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 4231150021 is about 65047.2906507258. The cubic root of 4231150021 is about 1617.4075821979.

Adding to 4231150021 its reverse (1200511324), we get a palindrome (5431661345).

The spelling of 4231150021 in words is "four billion, two hundred thirty-one million, one hundred fifty thousand, twenty-one".