332231321 has 16 divisors (see below), whose sum is σ = 356106240. Its totient is φ = 309044880.

The previous prime is 332231299. The next prime is 332231329. The reversal of 332231321 is 123132233.

It is not a de Polignac number, because 332231321 - 2²⁶ = 265122457 is a prime.

It is a super-2 number, since 2×332231321² = 220755301306810082, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 332231293 and 332231302.

It is not an unprimeable number, because it can be changed into a prime (332231329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 300656 + ... + 301758.

It is an arithmetic number, because the mean of its divisors is an integer number (22256640).

Almost surely, 2^332231321 is an apocalyptic number.

It is an amenable number.

332231321 is a deficient number, since it is larger than the sum of its proper divisors (23874919).

332231321 is a wasteful number, since it uses less digits than its factorization.

332231321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396.

The product of its digits is 648, while the sum is 20.

The square root of 332231321 is about 18227.2137475808. The cubic root of 332231321 is about 692.5963380853.

Adding to 332231321 its reverse (123132233), we get a palindrome (455363554).

It can be divided in two parts, 3322 and 31321, that added together give a palindrome (34643).

The spelling of 332231321 in words is "three hundred thirty-two million, two hundred thirty-one thousand, three hundred twenty-one".