4352313233021 has 8 divisors (see below), whose sum is σ = 4695770349144. Its totient is φ = 4010093801280.

The previous prime is 4352313233017. The next prime is 4352313233033. The reversal of 4352313233021 is 1203323132534.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 141654376900 + 4210658856121 = 376370^2 + 2051989^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4352313233021 - 2² = 4352313233017 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 (4352313233221) 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, 309413786 + ... + 309427851.

It is an arithmetic number, because the mean of its divisors is an integer number (586971293643).

Almost surely, 2^{4352313233021} is an apocalyptic number.

It is an amenable number.

4352313233021 is a deficient number, since it is larger than the sum of its proper divisors (343457116123).

4352313233021 is a wasteful number, since it uses less digits than its factorization.

4352313233021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618842191.

The product of its (nonzero) digits is 38880, while the sum is 32.

Adding to 4352313233021 its reverse (1203323132534), we get a palindrome (5555636365555).

The spelling of 4352313233021 in words is "four trillion, three hundred fifty-two billion, three hundred thirteen million, two hundred thirty-three thousand, twenty-one".