31112120214 has 48 divisors (see below), whose sum is σ = 77052598272. Its totient is φ = 8887670064.

The previous prime is 31112120203. The next prime is 31112120239. The reversal of 31112120214 is 41202121113.

31112120214 is a `hidden beast` number, since 311 + 121 + 20 + 214 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 877597 + ... + 912359.

It is an arithmetic number, because the mean of its divisors is an integer number (1605262464).

Almost surely, 2^31112120214 is an apocalyptic number.

31112120214 is an abundant number, since it is smaller than the sum of its proper divisors (45940478058).

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

31112120214 is a wasteful number, since it uses less digits than its factorization.

31112120214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41881 (or 41878 counting only the distinct ones).

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

Adding to 31112120214 its reverse (41202121113), we get a palindrome (72314241327).

The spelling of 31112120214 in words is "thirty-one billion, one hundred twelve million, one hundred twenty thousand, two hundred fourteen".