3112131333220 has 48 divisors (see below), whose sum is σ = 8043662527488. Its totient is φ = 984938267520.

The previous prime is 3112131333203. The next prime is 3112131333251. The reversal of 3112131333220 is 223331312113.

3112131333220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3112131333220² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 854979316 + ... + 854982955.

It is an arithmetic number, because the mean of its divisors is an integer number (167576302656).

Almost surely, 2^{3112131333220} is an apocalyptic number.

It is an amenable number.

3112131333220 is an abundant number, since it is smaller than the sum of its proper divisors (4931531194268).

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

3112131333220 is a wasteful number, since it uses less digits than its factorization.

3112131333220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1709962300 (or 1709962298 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 3112131333220 its reverse (223331312113), we get a palindrome (3335462645333).

The spelling of 3112131333220 in words is "three trillion, one hundred twelve billion, one hundred thirty-one million, three hundred thirty-three thousand, two hundred twenty".