31332230112 has 96 divisors (see below), whose sum is σ = 85271266080. Its totient is φ = 10061649920.

The previous prime is 31332230107. The next prime is 31332230123. The reversal of 31332230112 is 21103223313.

It is a tau number, because it is divible by the number of its divisors (96).

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 15 ways as a sum of consecutive naturals, for example, 1271218 + ... + 1295630.

It is an arithmetic number, because the mean of its divisors is an integer number (888242355).

Almost surely, 2^31332230112 is an apocalyptic number.

31332230112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31332230112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42635633040).

31332230112 is an abundant number, since it is smaller than the sum of its proper divisors (53939035968).

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

31332230112 is a wasteful number, since it uses less digits than its factorization.

31332230112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24916 (or 24908 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 31332230112 its reverse (21103223313), we get a palindrome (52435453425).

The spelling of 31332230112 in words is "thirty-one billion, three hundred thirty-two million, two hundred thirty thousand, one hundred twelve".