312322320320 has 56 divisors (see below), whose sum is σ = 754192474848. Its totient is φ = 123169356800.

The previous prime is 312322320293. The next prime is 312322320433. The reversal of 312322320320 is 23023223213.

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, 6850571 + ... + 6896010.

Almost surely, 2^312322320320 is an apocalyptic number.

It is an amenable number.

312322320320 is an abundant number, since it is smaller than the sum of its proper divisors (441870154528).

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

312322320320 is a wasteful number, since it uses less digits than its factorization.

312322320320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13746669 (or 13746659 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 312322320320 its reverse (23023223213), we get a palindrome (335345543533).

The spelling of 312322320320 in words is "three hundred twelve billion, three hundred twenty-two million, three hundred twenty thousand, three hundred twenty".