31313004011 has 8 divisors (see below), whose sum is σ = 33801144480. Its totient is φ = 28918755712.

The previous prime is 31313004007. The next prime is 31313004013. The reversal of 31313004011 is 11040031313.

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 31313004011 - 2² = 31313004007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31313004013) 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 7 ways as a sum of consecutive naturals, for example, 23472350 + ... + 23473683.

It is an arithmetic number, because the mean of its divisors is an integer number (4225143060).

Almost surely, 2^31313004011 is an apocalyptic number.

31313004011 is a deficient number, since it is larger than the sum of its proper divisors (2488140469).

31313004011 is a wasteful number, since it uses less digits than its factorization.

31313004011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46946085.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 31313004011 its reverse (11040031313), we get a palindrome (42353035324).

The spelling of 31313004011 in words is "thirty-one billion, three hundred thirteen million, four thousand, eleven".