31344424212 has 12 divisors (see below), whose sum is σ = 73136989856. Its totient is φ = 10448141400.

The previous prime is 31344424211. The next prime is 31344424213. The reversal of 31344424212 is 21242444313.

It is an interprime number because it is at equal distance from previous prime (31344424211) and next prime (31344424213).

It is a tau number, because it is divible by the number of its divisors (12).

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

It is a self number, because there is not a number n which added to its sum of digits gives 31344424212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31344424211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1306017664 + ... + 1306017687.

Almost surely, 2^31344424212 is an apocalyptic number.

It is an amenable number.

31344424212 is an abundant number, since it is smaller than the sum of its proper divisors (41792565644).

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

31344424212 is a wasteful number, since it uses less digits than its factorization.

31344424212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2612035358 (or 2612035356 counting only the distinct ones).

The product of its digits is 18432, while the sum is 30.

Adding to 31344424212 its reverse (21242444313), we get a palindrome (52586868525).

The spelling of 31344424212 in words is "thirty-one billion, three hundred forty-four million, four hundred twenty-four thousand, two hundred twelve".