321302130 has 32 divisors (see below), whose sum is σ = 780421824. Its totient is φ = 84647616.

The previous prime is 321302129. The next prime is 321302131. The reversal of 321302130 is 31203123.

It is an interprime number because it is at equal distance from previous prime (321302129) and next prime (321302131).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (321302131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62029 + ... + 67008.

It is an arithmetic number, because the mean of its divisors is an integer number (24388182).

Almost surely, 2^321302130 is an apocalyptic number.

321302130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

321302130 is an abundant number, since it is smaller than the sum of its proper divisors (459119694).

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

321302130 is a wasteful number, since it uses less digits than its factorization.

321302130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129130.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 321302130 is about 17924.9025101951. The cubic root of 321302130 is about 684.9168776898.

Adding to 321302130 its reverse (31203123), we get a palindrome (352505253).

The spelling of 321302130 in words is "three hundred twenty-one million, three hundred two thousand, one hundred thirty".