2531272012 has 12 divisors (see below), whose sum is σ = 4430603016. Its totient is φ = 1265385440.

The previous prime is 2531271991. The next prime is 2531272019. The reversal of 2531272012 is 2102721352.

It is not an unprimeable number, because it can be changed into a prime (2531272019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38914 + ... + 81097.

It is an arithmetic number, because the mean of its divisors is an integer number (369216918).

Almost surely, 2^2531272012 is an apocalyptic number.

It is an amenable number.

2531272012 is a deficient number, since it is larger than the sum of its proper divisors (1899331004).

2531272012 is a wasteful number, since it uses less digits than its factorization.

2531272012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125288 (or 125286 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 2531272012 is about 50311.7482502844. The cubic root of 2531272012 is about 1362.8443950777.

Adding to 2531272012 its reverse (2102721352), we get a palindrome (4633993364).

The spelling of 2531272012 in words is "two billion, five hundred thirty-one million, two hundred seventy-two thousand, twelve".