2520124331 has 4 divisors (see below), whose sum is σ = 2607025200. Its totient is φ = 2433223464.

The previous prime is 2520124309. The next prime is 2520124367. The reversal of 2520124331 is 1334210252.

2520124331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2520124331 is a prime.

It is a super-2 number, since 2×2520124331² = 12702053287396395122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2520124297 and 2520124306.

It is not an unprimeable number, because it can be changed into a prime (2520124391) 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, 43450391 + ... + 43450448.

It is an arithmetic number, because the mean of its divisors is an integer number (651756300).

Almost surely, 2^2520124331 is an apocalyptic number.

2520124331 is a deficient number, since it is larger than the sum of its proper divisors (86900869).

2520124331 is an equidigital number, since it uses as much as digits as its factorization.

2520124331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86900868.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2520124331 is about 50200.8399431723. The cubic root of 2520124331 is about 1360.8408027056.

Adding to 2520124331 its reverse (1334210252), we get a palindrome (3854334583).

The spelling of 2520124331 in words is "two billion, five hundred twenty million, one hundred twenty-four thousand, three hundred thirty-one".