31243300334212 has 24 divisors (see below), whose sum is σ = 55515845080640. Its totient is φ = 15381832102560.

The previous prime is 31243300334179. The next prime is 31243300334219. The reversal of 31243300334212 is 21243300334213.

It is a happy number.

It is a super-2 number, since 2×31243300334212² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31243300334219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24603387 + ... + 25842082.

Almost surely, 2^{31243300334212} is an apocalyptic number.

It is an amenable number.

31243300334212 is a deficient number, since it is larger than the sum of its proper divisors (24272544746428).

31243300334212 is a wasteful number, since it uses less digits than its factorization.

31243300334212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50447851 (or 50447849 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 31243300334212 its reverse (21243300334213), we get a palindrome (52486600668425).

Subtracting from 31243300334212 its reverse (21243300334213), we obtain a palindrome (9999999999999).

The spelling of 31243300334212 in words is "thirty-one trillion, two hundred forty-three billion, three hundred million, three hundred thirty-four thousand, two hundred twelve".