3131330120 has 16 divisors (see below), whose sum is σ = 7045492860. Its totient is φ = 1252532032.

The previous prime is 3131330107. The next prime is 3131330123. The reversal of 3131330120 is 210331313.

It can be written as a sum of positive squares in 2 ways, for example, as 2708369764 + 422960356 = 52042^2 + 20566^2 .

It is not an unprimeable number, because it can be changed into a prime (3131330123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39141587 + ... + 39141666.

Almost surely, 2^3131330120 is an apocalyptic number.

It is an amenable number.

3131330120 is an abundant number, since it is smaller than the sum of its proper divisors (3914162740).

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

3131330120 is a wasteful number, since it uses less digits than its factorization.

3131330120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78283264 (or 78283260 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 3131330120 is about 55958.2891089426. The cubic root of 3131330120 is about 1462.9953704098.

Adding to 3131330120 its reverse (210331313), we get a palindrome (3341661433).

The spelling of 3131330120 in words is "three billion, one hundred thirty-one million, three hundred thirty thousand, one hundred twenty".