31213412424013 has 8 divisors (see below), whose sum is σ = 31302359323200. Its totient is φ = 31124476644768.

The previous prime is 31213412423989. The next prime is 31213412424049. The reversal of 31213412424013 is 31042421431213.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31213412424013 - 2⁵ = 31213412423981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31213412424913) 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, 2858233 + ... + 8402161.

It is an arithmetic number, because the mean of its divisors is an integer number (3912794915400).

Almost surely, 2^{31213412424013} is an apocalyptic number.

It is an amenable number.

31213412424013 is a deficient number, since it is larger than the sum of its proper divisors (88946899187).

31213412424013 is a wasteful number, since it uses less digits than its factorization.

31213412424013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5559971.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 31213412424013 its reverse (31042421431213), we get a palindrome (62255833855226).

The spelling of 31213412424013 in words is "thirty-one trillion, two hundred thirteen billion, four hundred twelve million, four hundred twenty-four thousand, thirteen".