311232210113 has 16 divisors (see below), whose sum is σ = 342380875200. Its totient is φ = 280568318400.

The previous prime is 311232210073. The next prime is 311232210151. The reversal of 311232210113 is 311012232113.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 311232210113 - 2⁸ = 311232209857 is a prime.

It is a super-2 number, since 2×311232210113² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311232218113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 470906 + ... + 918812.

It is an arithmetic number, because the mean of its divisors is an integer number (21398804700).

Almost surely, 2^311232210113 is an apocalyptic number.

It is an amenable number.

311232210113 is a deficient number, since it is larger than the sum of its proper divisors (31148665087).

311232210113 is a wasteful number, since it uses less digits than its factorization.

311232210113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448448.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 311232210113 its reverse (311012232113), we get a palindrome (622244442226).

The spelling of 311232210113 in words is "three hundred eleven billion, two hundred thirty-two million, two hundred ten thousand, one hundred thirteen".