31313422431313 has 8 divisors (see below), whose sum is σ = 34160193930816. Its totient is φ = 28466667054000.

The previous prime is 31313422431289. The next prime is 31313422431349.

31313422431313 is nontrivially palindromic in base 10.

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 31313422431313 - 2¹⁷ = 31313422300241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31313422435313) 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, 225988 + ... + 7916938.

It is an arithmetic number, because the mean of its divisors is an integer number (4270024241352).

Almost surely, 2^{31313422431313} is an apocalyptic number.

It is an amenable number.

31313422431313 is a deficient number, since it is larger than the sum of its proper divisors (2846771499503).

31313422431313 is a wasteful number, since it uses less digits than its factorization.

31313422431313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8061095.

The product of its digits is 46656, while the sum is 34.

It can be divided in two parts, 3131342 and 2431313, that added together give a palindrome (5562655).

The spelling of 31313422431313 in words is "thirty-one trillion, three hundred thirteen billion, four hundred twenty-two million, four hundred thirty-one thousand, three hundred thirteen".