2531142112503 has 4 divisors (see below), whose sum is σ = 3374856150008. Its totient is φ = 1687428075000.

The previous prime is 2531142112459. The next prime is 2531142112553. The reversal of 2531142112503 is 3052112411352.

It is a happy number.

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

It is not a de Polignac number, because 2531142112503 - 2⁶ = 2531142112439 is a prime.

It is a super-2 number, since 2×2531142112503² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2531142112553) 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, 421857018748 + ... + 421857018753.

It is an arithmetic number, because the mean of its divisors is an integer number (843714037502).

Almost surely, 2^{2531142112503} is an apocalyptic number.

2531142112503 is a deficient number, since it is larger than the sum of its proper divisors (843714037505).

2531142112503 is an equidigital number, since it uses as much as digits as its factorization.

2531142112503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843714037504.

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 2531142112503 its reverse (3052112411352), we get a palindrome (5583254523855).

The spelling of 2531142112503 in words is "two trillion, five hundred thirty-one billion, one hundred forty-two million, one hundred twelve thousand, five hundred three".