312422331020 has 144 divisors (see below), whose sum is σ = 698596113600. Its totient is φ = 117344194560.

The previous prime is 312422331017. The next prime is 312422331037. The reversal of 312422331020 is 20133224213.

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 47 ways as a sum of consecutive naturals, for example, 711667961 + ... + 711668399.

It is an arithmetic number, because the mean of its divisors is an integer number (4851361900).

Almost surely, 2^312422331020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312422331020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (349298056800).

312422331020 is an abundant number, since it is smaller than the sum of its proper divisors (386173782580).

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

312422331020 is a wasteful number, since it uses less digits than its factorization.

312422331020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136 (or 1115 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 312422331020 its reverse (20133224213), we get a palindrome (332555555233).

The spelling of 312422331020 in words is "three hundred twelve billion, four hundred twenty-two million, three hundred thirty-one thousand, twenty".