313031121112 has 64 divisors (see below), whose sum is σ = 620621222400. Its totient is φ = 147720672000.

The previous prime is 313031121101. The next prime is 313031121119. The reversal of 313031121112 is 211121130313.

It is a super-3 number, since 3×313031121112³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 313031121112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313031121119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7955487 + ... + 7994737.

It is an arithmetic number, because the mean of its divisors is an integer number (9697206600).

Almost surely, 2^313031121112 is an apocalyptic number.

It is an amenable number.

313031121112 is a deficient number, since it is larger than the sum of its proper divisors (307590101288).

313031121112 is a wasteful number, since it uses less digits than its factorization.

313031121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39856 (or 39852 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 313031121112 its reverse (211121130313), we get a palindrome (524152251425).

The spelling of 313031121112 in words is "three hundred thirteen billion, thirty-one million, one hundred twenty-one thousand, one hundred twelve".