321135332 has 24 divisors (see below), whose sum is σ = 642773376. Its totient is φ = 137521728.

The previous prime is 321135323. The next prime is 321135337. The reversal of 321135332 is 233531123.

It is a junction number, because it is equal to n+sod(n) for n = 321135298 and 321135307.

It is not an unprimeable number, because it can be changed into a prime (321135337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39488 + ... + 46920.

It is an arithmetic number, because the mean of its divisors is an integer number (26782224).

Almost surely, 2^321135332 is an apocalyptic number.

It is an amenable number.

321135332 is an abundant number, since it is smaller than the sum of its proper divisors (321638044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321135332 is a wasteful number, since it uses less digits than its factorization.

321135332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8987 (or 8985 counting only the distinct ones).

The product of its digits is 1620, while the sum is 23.

The square root of 321135332 is about 17920.2492170170. The cubic root of 321135332 is about 684.7983365728.

Adding to 321135332 its reverse (233531123), we get a palindrome (554666455).

The spelling of 321135332 in words is "three hundred twenty-one million, one hundred thirty-five thousand, three hundred thirty-two".