31323344112 has 50 divisors (see below), whose sum is σ = 90658849248. Its totient is φ = 10441114272.

The previous prime is 31323344053. The next prime is 31323344113. The reversal of 31323344112 is 21144332313.

It is a happy number.

31323344112 is a `hidden beast` number, since 3 + 13 + 233 + 4 + 411 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31323344113) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 12083328 + ... + 12085919.

Almost surely, 2^31323344112 is an apocalyptic number.

It is an amenable number.

31323344112 is an abundant number, since it is smaller than the sum of its proper divisors (59335505136).

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

31323344112 is a wasteful number, since it uses less digits than its factorization.

31323344112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24169267 (or 24169252 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

Adding to 31323344112 its reverse (21144332313), we get a palindrome (52467676425).

The spelling of 31323344112 in words is "thirty-one billion, three hundred twenty-three million, three hundred forty-four thousand, one hundred twelve".