312321202343420 has 24 divisors (see below), whose sum is σ = 656087264111664. Its totient is φ = 124887959186816.

The previous prime is 312321202343411. The next prime is 312321202343459. The reversal of 312321202343420 is 24343202123213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2532546209 + ... + 2532669528.

It is an arithmetic number, because the mean of its divisors is an integer number (27336969337986).

Almost surely, 2^{312321202343420} is an apocalyptic number.

It is an amenable number.

312321202343420 is an abundant number, since it is smaller than the sum of its proper divisors (343766061768244).

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

312321202343420 is a wasteful number, since it uses less digits than its factorization.

312321202343420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5065218829 (or 5065218827 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 312321202343420 its reverse (24343202123213), we get a palindrome (336664404466633).

The spelling of 312321202343420 in words is "three hundred twelve trillion, three hundred twenty-one billion, two hundred two million, three hundred forty-three thousand, four hundred twenty".