2531531006 has 16 divisors (see below), whose sum is σ = 4023634560. Its totient is φ = 1191202200.

The previous prime is 2531530993. The next prime is 2531531029. The reversal of 2531531006 is 6001351352.

It is a congruent number.

It is an unprimeable number.

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, 214856 + ... + 226331.

It is an arithmetic number, because the mean of its divisors is an integer number (251477160).

Almost surely, 2^2531531006 is an apocalyptic number.

2531531006 is a deficient number, since it is larger than the sum of its proper divisors (1492103554).

2531531006 is a wasteful number, since it uses less digits than its factorization.

2531531006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441359.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 2531531006 is about 50314.3220763234. The cubic root of 2531531006 is about 1362.8908745397.

Adding to 2531531006 its reverse (6001351352), we get a palindrome (8532882358).

The spelling of 2531531006 in words is "two billion, five hundred thirty-one million, five hundred thirty-one thousand, six".