2142548456631 has 16 divisors (see below), whose sum is σ = 3145025262720. Its totient is φ = 1286601239520.

The previous prime is 2142548456603. The next prime is 2142548456701. The reversal of 2142548456631 is 1366548452412.

It is not a de Polignac number, because 2142548456631 - 2¹⁷ = 2142548325559 is a prime.

It is a super-2 number, since 2×2142548456631² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142548456231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 297820765 + ... + 297827958.

It is an arithmetic number, because the mean of its divisors is an integer number (196564078920).

Almost surely, 2^{2142548456631} is an apocalyptic number.

2142548456631 is a deficient number, since it is larger than the sum of its proper divisors (1002476806089).

2142548456631 is a wasteful number, since it uses less digits than its factorization.

2142548456631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595648846.

The product of its digits is 5529600, while the sum is 51.

The spelling of 2142548456631 in words is "two trillion, one hundred forty-two billion, five hundred forty-eight million, four hundred fifty-six thousand, six hundred thirty-one".