321045332 has 12 divisors (see below), whose sum is σ = 566254080. Its totient is φ = 159258456.

The previous prime is 321045301. The next prime is 321045359. The reversal of 321045332 is 233540123.

It is a junction number, because it is equal to n+sod(n) for n = 321045298 and 321045307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 315482 + ... + 316497.

It is an arithmetic number, because the mean of its divisors is an integer number (47187840).

Almost surely, 2^321045332 is an apocalyptic number.

It is an amenable number.

321045332 is a deficient number, since it is larger than the sum of its proper divisors (245208748).

321045332 is a wasteful number, since it uses less digits than its factorization.

321045332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632110 (or 632108 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 321045332 is about 17917.7379152615. The cubic root of 321045332 is about 684.7343577218.

Adding to 321045332 its reverse (233540123), we get a palindrome (554585455).

The spelling of 321045332 in words is "three hundred twenty-one million, forty-five thousand, three hundred thirty-two".