321100130 has 16 divisors (see below), whose sum is σ = 622440504. Its totient is φ = 118560000.

The previous prime is 321100067. The next prime is 321100159. The reversal of 321100130 is 31001123.

It can be written as a sum of positive squares in 4 ways, for example, as 186841561 + 134258569 = 13669^2 + 11587^2 .

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 7 ways as a sum of consecutive naturals, for example, 1234871 + ... + 1235130.

Almost surely, 2^321100130 is an apocalyptic number.

321100130 is a deficient number, since it is larger than the sum of its proper divisors (301340374).

321100130 is a wasteful number, since it uses less digits than its factorization.

321100130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2470021.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 321100130 is about 17919.2670050982. The cubic root of 321100130 is about 684.7733137351.

Adding to 321100130 its reverse (31001123), we get a palindrome (352101253).

The spelling of 321100130 in words is "three hundred twenty-one million, one hundred thousand, one hundred thirty".