31113303200211 has 4 divisors (see below), whose sum is σ = 41484404266952. Its totient is φ = 20742202133472.

The previous prime is 31113303200191. The next prime is 31113303200237. The reversal of 31113303200211 is 11200230331113.

It is a happy number.

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

It is not a de Polignac number, because 31113303200211 - 2¹³ = 31113303192019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31113303240211) 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, 5185550533366 + ... + 5185550533371.

It is an arithmetic number, because the mean of its divisors is an integer number (10371101066738).

Almost surely, 2^{31113303200211} is an apocalyptic number.

31113303200211 is a deficient number, since it is larger than the sum of its proper divisors (10371101066741).

31113303200211 is a wasteful number, since it uses less digits than its factorization.

31113303200211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10371101066740.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 31113303200211 its reverse (11200230331113), we get a palindrome (42313533531324).

The spelling of 31113303200211 in words is "thirty-one trillion, one hundred thirteen billion, three hundred three million, two hundred thousand, two hundred eleven".