3131113112 has 32 divisors (see below), whose sum is σ = 6038622480. Its totient is φ = 1521192960.

The previous prime is 3131113109. The next prime is 3131113121. The reversal of 3131113112 is 2113111313.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 42812 + ... + 89972.

Almost surely, 2^3131113112 is an apocalyptic number.

It is an amenable number.

3131113112 is a deficient number, since it is larger than the sum of its proper divisors (2907509368).

3131113112 is a wasteful number, since it uses less digits than its factorization.

3131113112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47403 (or 47399 counting only the distinct ones).

The product of its digits is 54, while the sum is 17.

The square root of 3131113112 is about 55956.3500596670. The cubic root of 3131113112 is about 1462.9615733734.

Adding to 3131113112 its reverse (2113111313), we get a palindrome (5244224425).

It can be divided in two parts, 313111311 and 2, that added together give a palindrome (313111313).

The spelling of 3131113112 in words is "three billion, one hundred thirty-one million, one hundred thirteen thousand, one hundred twelve".