332130021321 has 8 divisors (see below), whose sum is σ = 506102889664. Its totient is φ = 189788583600.

The previous prime is 332130021317. The next prime is 332130021323. The reversal of 332130021321 is 123120031233.

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

It is not a de Polignac number, because 332130021321 - 2² = 332130021317 is a prime.

It is a super-2 number, since 2×332130021321² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 15815715301 = 332130021321 / (3 + 3 + 2 + 1 + 3 + 0 + 0 + 2 + 1 + 3 + 2 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (332130021323) 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, 7907857630 + ... + 7907857671.

It is an arithmetic number, because the mean of its divisors is an integer number (63262861208).

Almost surely, 2^332130021321 is an apocalyptic number.

It is an amenable number.

332130021321 is a deficient number, since it is larger than the sum of its proper divisors (173972868343).

332130021321 is a wasteful number, since it uses less digits than its factorization.

332130021321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15815715311.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 332130021321 its reverse (123120031233), we get a palindrome (455250052554).

The spelling of 332130021321 in words is "three hundred thirty-two billion, one hundred thirty million, twenty-one thousand, three hundred twenty-one".