321312303130 has 32 divisors (see below), whose sum is σ = 711830335104. Its totient is φ = 101690047296.

The previous prime is 321312303083. The next prime is 321312303161. The reversal of 321312303130 is 31303213123.

It is a super-2 number, since 2×321312303130² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176544312 + ... + 176546131.

It is an arithmetic number, because the mean of its divisors is an integer number (22244697972).

Almost surely, 2^321312303130 is an apocalyptic number.

321312303130 is an abundant number, since it is smaller than the sum of its proper divisors (390518031974).

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

321312303130 is a wasteful number, since it uses less digits than its factorization.

321312303130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353090470.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 321312303130 its reverse (31303213123), we get a palindrome (352615516253).

The spelling of 321312303130 in words is "three hundred twenty-one billion, three hundred twelve million, three hundred three thousand, one hundred thirty".