2520304431 has 8 divisors (see below), whose sum is σ = 3391235760. Its totient is φ = 1664788032.

The previous prime is 2520304393. The next prime is 2520304441. The reversal of 2520304431 is 1344030252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2520304431 - 2¹¹ = 2520302383 is a prime.

It is a super-2 number, since 2×2520304431² = 12703868849836467522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520304441) 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 7 ways as a sum of consecutive naturals, for example, 3853350 + ... + 3854003.

It is an arithmetic number, because the mean of its divisors is an integer number (423904470).

Almost surely, 2^2520304431 is an apocalyptic number.

2520304431 is a deficient number, since it is larger than the sum of its proper divisors (870931329).

2520304431 is a wasteful number, since it uses less digits than its factorization.

2520304431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7707465.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 2520304431 is about 50202.6337058127. The cubic root of 2520304431 is about 1360.8732193060.

Adding to 2520304431 its reverse (1344030252), we get a palindrome (3864334683).

The spelling of 2520304431 in words is "two billion, five hundred twenty million, three hundred four thousand, four hundred thirty-one".