321140332 has 12 divisors (see below), whose sum is σ = 565362000. Its totient is φ = 159608336.

The previous prime is 321140327. The next prime is 321140341. The reversal of 321140332 is 233041123.

It is a super-2 number, since 2×321140332² = 206262225674140448, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239707 + ... + 241042.

It is an arithmetic number, because the mean of its divisors is an integer number (47113500).

Almost surely, 2^321140332 is an apocalyptic number.

It is an amenable number.

321140332 is a deficient number, since it is larger than the sum of its proper divisors (244221668).

321140332 is a wasteful number, since it uses less digits than its factorization.

321140332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480920 (or 480918 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 321140332 is about 17920.3887234624. The cubic root of 321140332 is about 684.8018906029.

Adding to 321140332 its reverse (233041123), we get a palindrome (554181455).

The spelling of 321140332 in words is "three hundred twenty-one million, one hundred forty thousand, three hundred thirty-two".