31313013024011 has 4 divisors (see below), whose sum is σ = 31590119334072. Its totient is φ = 31035906713952.

The previous prime is 31313013023993. The next prime is 31313013024101. The reversal of 31313013024011 is 11042031031313.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 31313013024011 - 2⁶ = 31313013023947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31313013024911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138553154861 + ... + 138553155086.

It is an arithmetic number, because the mean of its divisors is an integer number (7897529833518).

Almost surely, 2^{31313013024011} is an apocalyptic number.

31313013024011 is a deficient number, since it is larger than the sum of its proper divisors (277106310061).

31313013024011 is a wasteful number, since it uses less digits than its factorization.

31313013024011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277106310060.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 31313013024011 its reverse (11042031031313), we get a palindrome (42355044055324).

The spelling of 31313013024011 in words is "thirty-one trillion, three hundred thirteen billion, thirteen million, twenty-four thousand, eleven".