312022343140 has 48 divisors (see below), whose sum is σ = 656142439680. Its totient is φ = 124638503040.

The previous prime is 312022343093. The next prime is 312022343141. The reversal of 312022343140 is 41343220213.

It is not an unprimeable number, because it can be changed into a prime (312022343141) 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, 57983250 + ... + 57988630.

It is an arithmetic number, because the mean of its divisors is an integer number (13669634160).

Almost surely, 2^312022343140 is an apocalyptic number.

It is an amenable number.

312022343140 is an abundant number, since it is smaller than the sum of its proper divisors (344120096540).

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

312022343140 is a wasteful number, since it uses less digits than its factorization.

312022343140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8812 (or 8810 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 312022343140 its reverse (41343220213), we get a palindrome (353365563353).

The spelling of 312022343140 in words is "three hundred twelve billion, twenty-two million, three hundred forty-three thousand, one hundred forty".