31232101003312 has 160 divisors (see below), whose sum is σ = 70794785629440. Its totient is φ = 13197292416000.

The previous prime is 31232101003297. The next prime is 31232101003333. The reversal of 31232101003312 is 21330010123213.

It is a Harshad number since it is a multiple of its sum of digits (22).

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 31 ways as a sum of consecutive naturals, for example, 85695423 + ... + 86059105.

It is an arithmetic number, because the mean of its divisors is an integer number (442467410184).

Almost surely, 2^{31232101003312} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31232101003312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35397392814720).

31232101003312 is an abundant number, since it is smaller than the sum of its proper divisors (39562684626128).

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

31232101003312 is a wasteful number, since it uses less digits than its factorization.

31232101003312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364203 (or 364197 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 31232101003312 its reverse (21330010123213), we get a palindrome (52562111126525).

The spelling of 31232101003312 in words is "thirty-one trillion, two hundred thirty-two billion, one hundred one million, three thousand, three hundred twelve".