31214110212 has 48 divisors (see below), whose sum is σ = 83716012800. Its totient is φ = 10045919520.

The previous prime is 31214110189. The next prime is 31214110217. The reversal of 31214110212 is 21201141213.

31214110212 is a `hidden beast` number, since 312 + 141 + 1 + 0 + 212 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (31214110217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4979964 + ... + 4986227.

It is an arithmetic number, because the mean of its divisors is an integer number (1744083600).

Almost surely, 2^31214110212 is an apocalyptic number.

It is an amenable number.

31214110212 is an abundant number, since it is smaller than the sum of its proper divisors (52501902588).

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

31214110212 is a wasteful number, since it uses less digits than its factorization.

31214110212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9966233 (or 9966225 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 31214110212 its reverse (21201141213), we get a palindrome (52415251425).

The spelling of 31214110212 in words is "thirty-one billion, two hundred fourteen million, one hundred ten thousand, two hundred twelve".