321133130 has 32 divisors (see below), whose sum is σ = 604195200. Its totient is φ = 122660032.

The previous prime is 321133121. The next prime is 321133133. The reversal of 321133130 is 31331123.

It is a junction number, because it is equal to n+sod(n) for n = 321133099 and 321133108.

It is not an unprimeable number, because it can be changed into a prime (321133133) 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 15 ways as a sum of consecutive naturals, for example, 254441 + ... + 255699.

It is an arithmetic number, because the mean of its divisors is an integer number (18881100).

Almost surely, 2^321133130 is an apocalyptic number.

321133130 is a deficient number, since it is larger than the sum of its proper divisors (283062070).

321133130 is a wasteful number, since it uses less digits than its factorization.

321133130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2398.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 321133130 is about 17920.1877780340. The cubic root of 321133130 is about 684.7967713663.

Adding to 321133130 its reverse (31331123), we get a palindrome (352464253).

The spelling of 321133130 in words is "three hundred twenty-one million, one hundred thirty-three thousand, one hundred thirty".