2520434331 has 12 divisors (see below), whose sum is σ = 3854782152. Its totient is φ = 1581448896.

The previous prime is 2520434299. The next prime is 2520434333. The reversal of 2520434331 is 1334340252.

2520434331 is a `hidden beast` number, since 25 + 204 + 3 + 433 + 1 = 666.

It is not a de Polignac number, because 2520434331 - 2⁵ = 2520434299 is a prime.

It is a super-2 number, since 2×2520434331² = 12705178433766835122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2520434295 and 2520434304.

It is not an unprimeable number, because it can be changed into a prime (2520434333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8236561 + ... + 8236866.

It is an arithmetic number, because the mean of its divisors is an integer number (321231846).

Almost surely, 2^2520434331 is an apocalyptic number.

2520434331 is a deficient number, since it is larger than the sum of its proper divisors (1334347821).

2520434331 is a wasteful number, since it uses less digits than its factorization.

2520434331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16473450 (or 16473447 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 2520434331 is about 50203.9274459678. The cubic root of 2520434331 is about 1360.8965993380.

Adding to 2520434331 its reverse (1334340252), we get a palindrome (3854774583).

The spelling of 2520434331 in words is "two billion, five hundred twenty million, four hundred thirty-four thousand, three hundred thirty-one".