2543306631 has 16 divisors (see below), whose sum is σ = 3433363200. Its totient is φ = 1674440768.

The previous prime is 2543306603. The next prime is 2543306639. The reversal of 2543306631 is 1366033452.

It is a cyclic number.

It is not a de Polignac number, because 2543306631 - 2¹⁰ = 2543305607 is a prime.

It is a super-2 number, since 2×2543306631² = 12936817238577140322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2543306592 and 2543306601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543306639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231460 + ... + 242198.

It is an arithmetic number, because the mean of its divisors is an integer number (214585200).

Almost surely, 2^2543306631 is an apocalyptic number.

2543306631 is a deficient number, since it is larger than the sum of its proper divisors (890056569).

2543306631 is a wasteful number, since it uses less digits than its factorization.

2543306631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11718.

The product of its (nonzero) digits is 38880, while the sum is 33.

The square root of 2543306631 is about 50431.2069159563. The cubic root of 2543306631 is about 1365.0008061287. Note that the first 3 decimals are identical.

The spelling of 2543306631 in words is "two billion, five hundred forty-three million, three hundred six thousand, six hundred thirty-one".