2331013520 has 40 divisors (see below), whose sum is σ = 5912300160. Its totient is φ = 847640960.

The previous prime is 2331013519. The next prime is 2331013523. The reversal of 2331013520 is 253101332.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2331013492 and 2331013501.

It is not an unprimeable number, because it can be changed into a prime (2331013523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1323560 + ... + 1325319.

It is an arithmetic number, because the mean of its divisors is an integer number (147807504).

Almost surely, 2^2331013520 is an apocalyptic number.

2331013520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2331013520 is an abundant number, since it is smaller than the sum of its proper divisors (3581286640).

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

2331013520 is a wasteful number, since it uses less digits than its factorization.

2331013520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2648903 (or 2648897 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 2331013520 is about 48280.5708334108. The cubic root of 2331013520 is about 1325.9127011694.

Adding to 2331013520 its reverse (253101332), we get a palindrome (2584114852).

The spelling of 2331013520 in words is "two billion, three hundred thirty-one million, thirteen thousand, five hundred twenty".