31321212102032 has 40 divisors (see below), whose sum is σ = 64255012416000. Its totient is φ = 14739286804992.

The previous prime is 31321212101909. The next prime is 31321212102071. The reversal of 31321212102032 is 23020121212313.

It is a junction number, because it is equal to n+sod(n) for n = 31321212101989 and 31321212102007.

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, 46887269 + ... + 47550587.

It is an arithmetic number, because the mean of its divisors is an integer number (1606375310400).

Almost surely, 2^{31321212102032} is an apocalyptic number.

It is an amenable number.

31321212102032 is an abundant number, since it is smaller than the sum of its proper divisors (32933800313968).

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

31321212102032 is a wasteful number, since it uses less digits than its factorization.

31321212102032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836943 (or 836937 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 31321212102032 its reverse (23020121212313), we get a palindrome (54341333314345).

The spelling of 31321212102032 in words is "thirty-one trillion, three hundred twenty-one billion, two hundred twelve million, one hundred two thousand, thirty-two".