4231010234221 has 4 divisors (see below), whose sum is σ = 4231320598492. Its totient is φ = 4230699869952.

The previous prime is 4231010234219. The next prime is 4231010234251. The reversal of 4231010234221 is 1224320101324.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2840957444196 + 1390052790025 = 1685514^2 + 1179005^2 .

It is a cyclic number.

It is not a de Polignac number, because 4231010234221 - 2¹ = 4231010234219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4231010234251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155161686 + ... + 155188951.

It is an arithmetic number, because the mean of its divisors is an integer number (1057830149623).

Almost surely, 2^{4231010234221} is an apocalyptic number.

It is an amenable number.

4231010234221 is a deficient number, since it is larger than the sum of its proper divisors (310364271).

4231010234221 is a wasteful number, since it uses less digits than its factorization.

4231010234221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310364270.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 4231010234221 its reverse (1224320101324), we get a palindrome (5455330335545).

The spelling of 4231010234221 in words is "four trillion, two hundred thirty-one billion, ten million, two hundred thirty-four thousand, two hundred twenty-one".