31321332200032 has 48 divisors (see below), whose sum is σ = 70474080311712. Its totient is φ = 13423221826560.

The previous prime is 31321332200003. The next prime is 31321332200047. The reversal of 31321332200032 is 23000223312313.

It is a super-2 number, since 2×31321332200032² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 14007868 + ... + 16089220.

It is an arithmetic number, because the mean of its divisors is an integer number (1468210006494).

Almost surely, 2^{31321332200032} is an apocalyptic number.

31321332200032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31321332200032 is an abundant number, since it is smaller than the sum of its proper divisors (39152748111680).

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

31321332200032 is a wasteful number, since it uses less digits than its factorization.

31321332200032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2148551 (or 2148543 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 31321332200032 its reverse (23000223312313), we get a palindrome (54321555512345).

The spelling of 31321332200032 in words is "thirty-one trillion, three hundred twenty-one billion, three hundred thirty-two million, two hundred thousand, thirty-two".