312130334323020 has 48 divisors (see below), whose sum is σ = 873982974180960. Its totient is φ = 83233037907456.

The previous prime is 312130334323019. The next prime is 312130334323057. The reversal of 312130334323020 is 20323433031213.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 50752135 + ... + 56568894.

It is an arithmetic number, because the mean of its divisors is an integer number (18207978628770).

Almost surely, 2^{312130334323020} is an apocalyptic number.

312130334323020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

312130334323020 is an abundant number, since it is smaller than the sum of its proper divisors (561852639857940).

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

312130334323020 is a wasteful number, since it uses less digits than its factorization.

312130334323020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107369514 (or 107369512 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 30.

Adding to 312130334323020 its reverse (20323433031213), we get a palindrome (332453767354233).

The spelling of 312130334323020 in words is "three hundred twelve trillion, one hundred thirty billion, three hundred thirty-four million, three hundred twenty-three thousand, twenty".