2331131313330 has 40 divisors (see below), whose sum is σ = 6268153089132. Its totient is φ = 621635016672.

The previous prime is 2331131313317. The next prime is 2331131313361. The reversal of 2331131313330 is 333131311332.

2331131313330 is a `hidden beast` number, since 2 + 3 + 3 + 1 + 1 + 313 + 13 + 330 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2151798543801 + 179332769529 = 1466901^2 + 423477^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2331131313294 and 2331131313303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1438969137 + ... + 1438970756.

Almost surely, 2^{2331131313330} is an apocalyptic number.

2331131313330 is an abundant number, since it is smaller than the sum of its proper divisors (3937021775802).

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

2331131313330 is a wasteful number, since it uses less digits than its factorization.

2331131313330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2877939912 (or 2877939903 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 27.

Adding to 2331131313330 its reverse (333131311332), we get a palindrome (2664262624662).

The spelling of 2331131313330 in words is "two trillion, three hundred thirty-one billion, one hundred thirty-one million, three hundred thirteen thousand, three hundred thirty".