31224234421112 has 64 divisors (see below), whose sum is σ = 59169953606400. Its totient is φ = 15446378154240.

The previous prime is 31224234421109. The next prime is 31224234421129. The reversal of 31224234421112 is 21112443242213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2100230303 + ... + 2100245169.

It is an arithmetic number, because the mean of its divisors is an integer number (924530525100).

Almost surely, 2^{31224234421112} is an apocalyptic number.

It is an amenable number.

31224234421112 is a deficient number, since it is larger than the sum of its proper divisors (27945719185288).

31224234421112 is a wasteful number, since it uses less digits than its factorization.

31224234421112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21396 (or 21392 counting only the distinct ones).

The product of its digits is 18432, while the sum is 32.

Adding to 31224234421112 its reverse (21112443242213), we get a palindrome (52336677663325).

The spelling of 31224234421112 in words is "thirty-one trillion, two hundred twenty-four billion, two hundred thirty-four million, four hundred twenty-one thousand, one hundred twelve".