2531042516 has 12 divisors (see below), whose sum is σ = 4662446880. Its totient is φ = 1198914840.

The previous prime is 2531042477. The next prime is 2531042519. The reversal of 2531042516 is 6152401352.

2531042516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2531042516² = 12812352435599220512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2531042519) 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, 16651520 + ... + 16651671.

It is an arithmetic number, because the mean of its divisors is an integer number (388537240).

Almost surely, 2^2531042516 is an apocalyptic number.

It is an amenable number.

2531042516 is a deficient number, since it is larger than the sum of its proper divisors (2131404364).

2531042516 is a wasteful number, since it uses less digits than its factorization.

2531042516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33303214 (or 33303212 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 2531042516 is about 50309.4674589187. The cubic root of 2531042516 is about 1362.8032067228.

Adding to 2531042516 its reverse (6152401352), we get a palindrome (8683443868).

The spelling of 2531042516 in words is "two billion, five hundred thirty-one million, forty-two thousand, five hundred sixteen".