321312303030 has 32 divisors (see below), whose sum is σ = 771211101024. Its totient is φ = 85676439296.

The previous prime is 321312302911. The next prime is 321312303041. The reversal of 321312303030 is 30303213123.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 321312302988 and 321312303006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39849 + ... + 802628.

It is an arithmetic number, because the mean of its divisors is an integer number (24100346907).

Almost surely, 2^321312303030 is an apocalyptic number.

321312303030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

321312303030 is an abundant number, since it is smaller than the sum of its proper divisors (449898797994).

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

321312303030 is a wasteful number, since it uses less digits than its factorization.

321312303030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855200.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 321312303030 its reverse (30303213123), we get a palindrome (351615516153).

The spelling of 321312303030 in words is "three hundred twenty-one billion, three hundred twelve million, three hundred three thousand, thirty".