31130636143 has 2 divisors, whose sum is σ = 31130636144. Its totient is φ = 31130636142.

The previous prime is 31130636107. The next prime is 31130636149. The reversal of 31130636143 is 34163603113.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31130636143 - 2²⁹ = 30593765231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31130636149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15565318071 + 15565318072.

It is an arithmetic number, because the mean of its divisors is an integer number (15565318072).

Almost surely, 2^31130636143 is an apocalyptic number.

31130636143 is a deficient number, since it is larger than the sum of its proper divisors (1).

31130636143 is an equidigital number, since it uses as much as digits as its factorization.

31130636143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 31.

The spelling of 31130636143 in words is "thirty-one billion, one hundred thirty million, six hundred thirty-six thousand, one hundred forty-three".