1332231321 has 8 divisors (see below), whose sum is σ = 1776658240. Its totient is φ = 887979312.

The previous prime is 1332231301. The next prime is 1332231343. The reversal of 1332231321 is 1231322331.

1332231321 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 1332231321 - 2²² = 1328037017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1332231301) 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, 24781 + ... + 57258.

It is an arithmetic number, because the mean of its divisors is an integer number (222082280).

Almost surely, 2^1332231321 is an apocalyptic number.

It is an amenable number.

1332231321 is a deficient number, since it is larger than the sum of its proper divisors (444426919).

1332231321 is an equidigital number, since it uses as much as digits as its factorization.

1332231321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87455.

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

The square root of 1332231321 is about 36499.7441223908. The cubic root of 1332231321 is about 1100.3391023396.

Adding to 1332231321 its reverse (1231322331), we get a palindrome (2563553652).

The spelling of 1332231321 in words is "one billion, three hundred thirty-two million, two hundred thirty-one thousand, three hundred twenty-one".