2125631013 has 16 divisors (see below), whose sum is σ = 3092630016. Its totient is φ = 1287926640.

The previous prime is 2125630999. The next prime is 2125631017. The reversal of 2125631013 is 3101365212.

It is not a de Polignac number, because 2125631013 - 2²¹ = 2123533861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125631017) 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 15 ways as a sum of consecutive naturals, for example, 192870 + ... + 203592.

It is an arithmetic number, because the mean of its divisors is an integer number (193289376).

Almost surely, 2^2125631013 is an apocalyptic number.

It is an amenable number.

2125631013 is a deficient number, since it is larger than the sum of its proper divisors (966999003).

2125631013 is a wasteful number, since it uses less digits than its factorization.

2125631013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16744.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 2125631013 is about 46104.5660753900. The cubic root of 2125631013 is about 1285.7680385869.

Adding to 2125631013 its reverse (3101365212), we get a palindrome (5226996225).

The spelling of 2125631013 in words is "two billion, one hundred twenty-five million, six hundred thirty-one thousand, thirteen".