3112321120 has 48 divisors (see below), whose sum is σ = 7491612240. Its totient is φ = 1221435904.

The previous prime is 3112321097. The next prime is 3112321127. The reversal of 3112321120 is 211232113.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 3112321094 and 3112321103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3112321127) 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, 175030 + ... + 191989.

It is an arithmetic number, because the mean of its divisors is an integer number (156075255).

Almost surely, 2^3112321120 is an apocalyptic number.

It is an amenable number.

3112321120 is an abundant number, since it is smaller than the sum of its proper divisors (4379291120).

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

3112321120 is a wasteful number, since it uses less digits than its factorization.

3112321120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367087 (or 367079 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 3112321120 is about 55788.1808271250. The cubic root of 3112321120 is about 1460.0289479467.

Adding to 3112321120 its reverse (211232113), we get a palindrome (3323553233).

The spelling of 3112321120 in words is "three billion, one hundred twelve million, three hundred twenty-one thousand, one hundred twenty".