332540722321 has 4 divisors (see below), whose sum is σ = 337504016752. Its totient is φ = 327577427892.

The previous prime is 332540722313. The next prime is 332540722331. The reversal of 332540722321 is 123227045233.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 123227045233 = 59 ⋅2088593987.

It is a cyclic number.

It is not a de Polignac number, because 332540722321 - 2³ = 332540722313 is a prime.

It is a super-2 number, since 2×332540722321² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (332540722331) 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, 2481647115 + ... + 2481647248.

It is an arithmetic number, because the mean of its divisors is an integer number (84376004188).

Almost surely, 2^332540722321 is an apocalyptic number.

It is an amenable number.

332540722321 is a deficient number, since it is larger than the sum of its proper divisors (4963294431).

332540722321 is an equidigital number, since it uses as much as digits as its factorization.

332540722321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4963294430.

The product of its (nonzero) digits is 60480, while the sum is 34.

Adding to 332540722321 its reverse (123227045233), we get a palindrome (455767767554).

The spelling of 332540722321 in words is "three hundred thirty-two billion, five hundred forty million, seven hundred twenty-two thousand, three hundred twenty-one".