31323200322000 has 80 divisors (see below), whose sum is σ = 100985997857472. Its totient is φ = 8352853417600.

The previous prime is 31323200321969. The next prime is 31323200322023. The reversal of 31323200322000 is 22300232313.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-4 number, since 4×31323200322000⁴ (a number of 55 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2610260694 + ... + 2610272693.

Almost surely, 2^{31323200322000} is an apocalyptic number.

31323200322000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31323200322000 is an abundant number, since it is smaller than the sum of its proper divisors (69662797535472).

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

31323200322000 is a wasteful number, since it uses less digits than its factorization.

31323200322000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5220533413 (or 5220533397 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 31323200322000 its reverse (22300232313), we get a palindrome (31345500554313).

The spelling of 31323200322000 in words is "thirty-one trillion, three hundred twenty-three billion, two hundred million, three hundred twenty-two thousand".