311013201112 has 32 divisors (see below), whose sum is σ = 628813609200. Its totient is φ = 143728819200.

The previous prime is 311013201007. The next prime is 311013201113. The reversal of 311013201112 is 211102310113.

It is a happy number.

It is a super-2 number, since 2×311013201112² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311013201113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24946689 + ... + 24959152.

Almost surely, 2^311013201112 is an apocalyptic number.

It is an amenable number.

311013201112 is an abundant number, since it is smaller than the sum of its proper divisors (317800408088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

311013201112 is a wasteful number, since it uses less digits than its factorization.

311013201112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49905907 (or 49905903 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 311013201112 its reverse (211102310113), we get a palindrome (522115511225).

The spelling of 311013201112 in words is "three hundred eleven billion, thirteen million, two hundred one thousand, one hundred twelve".