2631206461343 has 16 divisors (see below), whose sum is σ = 2864068053120. Its totient is φ = 2409186532896.

The previous prime is 2631206461313. The next prime is 2631206461349. The reversal of 2631206461343 is 3431646021362.

It is a cyclic number.

It is not a de Polignac number, because 2631206461343 - 2³² = 2626911494047 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2631206461343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2631206461349) 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, 19431905 + ... + 19566842.

It is an arithmetic number, because the mean of its divisors is an integer number (179004253320).

Almost surely, 2^{2631206461343} is an apocalyptic number.

2631206461343 is a deficient number, since it is larger than the sum of its proper divisors (232861591777).

2631206461343 is a wasteful number, since it uses less digits than its factorization.

2631206461343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38998886.

The product of its (nonzero) digits is 373248, while the sum is 41.

The spelling of 2631206461343 in words is "two trillion, six hundred thirty-one billion, two hundred six million, four hundred sixty-one thousand, three hundred forty-three".