321144130 has 8 divisors (see below), whose sum is σ = 578059452. Its totient is φ = 128457648.

The previous prime is 321144121. The next prime is 321144151. The reversal of 321144130 is 31441123.

It can be written as a sum of positive squares in 2 ways, for example, as 296631729 + 24512401 = 17223^2 + 4951^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 321144098 and 321144107.

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, 16057197 + ... + 16057216.

Almost surely, 2^321144130 is an apocalyptic number.

321144130 is a deficient number, since it is larger than the sum of its proper divisors (256915322).

321144130 is a wasteful number, since it uses less digits than its factorization.

321144130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32114420.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 321144130 is about 17920.4946918326. The cubic root of 321144130 is about 684.8045902196.

Adding to 321144130 its reverse (31441123), we get a palindrome (352585253).

The spelling of 321144130 in words is "three hundred twenty-one million, one hundred forty-four thousand, one hundred thirty".