321000130 has 64 divisors (see below), whose sum is σ = 666247680. Its totient is φ = 110252800.

The previous prime is 321000091. The next prime is 321000131. The reversal of 321000130 is 31000123.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (321000131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 148860 + ... + 151000.

It is an arithmetic number, because the mean of its divisors is an integer number (10410120).

Almost surely, 2^321000130 is an apocalyptic number.

321000130 is an abundant number, since it is smaller than the sum of its proper divisors (345247550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321000130 is a wasteful number, since it uses less digits than its factorization.

321000130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2235.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 321000130 is about 17916.4764951148. The cubic root of 321000130 is about 684.7022201884.

Adding to 321000130 its reverse (31000123), we get a palindrome (352000253).

The spelling of 321000130 in words is "three hundred twenty-one million, one hundred thirty", and thus it is an aban number.