31232211011112 has 32 divisors (see below), whose sum is σ = 79741815350400. Its totient is φ = 10189231960704.

The previous prime is 31232211011083. The next prime is 31232211011143. The reversal of 31232211011112 is 21111011223213.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13844064037 + ... + 13844066292.

It is an arithmetic number, because the mean of its divisors is an integer number (2491931729700).

Almost surely, 2^{31232211011112} is an apocalyptic number.

It is an amenable number.

31232211011112 is an abundant number, since it is smaller than the sum of its proper divisors (48509604339288).

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

31232211011112 is a wasteful number, since it uses less digits than its factorization.

31232211011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27688130385 (or 27688130381 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 31232211011112 its reverse (21111011223213), we get a palindrome (52343222234325).

The spelling of 31232211011112 in words is "thirty-one trillion, two hundred thirty-two billion, two hundred eleven million, eleven thousand, one hundred twelve".