31333012113 has 8 divisors (see below), whose sum is σ = 44990991808. Its totient is φ = 19281853584.

The previous prime is 31333012093. The next prime is 31333012127. The reversal of 31333012113 is 31121033313.

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

It is not a de Polignac number, because 31333012113 - 2¹³ = 31333003921 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31333012113.

It is not an unprimeable number, because it can be changed into a prime (31333013113) 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, 401705245 + ... + 401705322.

It is an arithmetic number, because the mean of its divisors is an integer number (5623873976).

Almost surely, 2^31333012113 is an apocalyptic number.

It is an amenable number.

31333012113 is a deficient number, since it is larger than the sum of its proper divisors (13657979695).

31333012113 is a wasteful number, since it uses less digits than its factorization.

31333012113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803410583.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 31333012113 its reverse (31121033313), we get a palindrome (62454045426).

The spelling of 31333012113 in words is "thirty-one billion, three hundred thirty-three million, twelve thousand, one hundred thirteen".