31313111131313 has 8 divisors (see below), whose sum is σ = 34172376676320. Its totient is φ = 28455948766080.

The previous prime is 31313111131283. The next prime is 31313111131327.

31313111131313 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 31313111131313 - 2⁴² = 26915064620209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31313111131513) 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, 525763808 + ... + 525823361.

It is an arithmetic number, because the mean of its divisors is an integer number (4271547084540).

Almost surely, 2^{31313111131313} is an apocalyptic number.

It is an amenable number.

31313111131313 is a deficient number, since it is larger than the sum of its proper divisors (2859265545007).

31313111131313 is a wasteful number, since it uses less digits than its factorization.

31313111131313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051589887.

The product of its digits is 729, while the sum is 26.

It can be divided in two parts, 3131311 and 1131313, that added together give a palindrome (4262624).

The spelling of 31313111131313 in words is "thirty-one trillion, three hundred thirteen billion, one hundred eleven million, one hundred thirty-one thousand, three hundred thirteen".