352441603321 has 4 divisors (see below), whose sum is σ = 354267725812. Its totient is φ = 350615480832.

The previous prime is 352441603309. The next prime is 352441603469. The reversal of 352441603321 is 123306144253.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 123306144253 = 41 ⋅3007466933.

It can be written as a sum of positive squares in 2 ways, for example, as 80516900025 + 271924703296 = 283755^2 + 521464^2 .

It is a cyclic number.

It is not a de Polignac number, because 352441603321 - 2⁷ = 352441603193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (352441603021) 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 3 ways as a sum of consecutive naturals, for example, 913060956 + ... + 913061341.

It is an arithmetic number, because the mean of its divisors is an integer number (88566931453).

Almost surely, 2^352441603321 is an apocalyptic number.

It is an amenable number.

352441603321 is a deficient number, since it is larger than the sum of its proper divisors (1826122491).

352441603321 is a wasteful number, since it uses less digits than its factorization.

352441603321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1826122490.

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 352441603321 its reverse (123306144253), we get a palindrome (475747747574).

The spelling of 352441603321 in words is "three hundred fifty-two billion, four hundred forty-one million, six hundred three thousand, three hundred twenty-one".