2631198140143 has 2 divisors, whose sum is σ = 2631198140144. Its totient is φ = 2631198140142.

The previous prime is 2631198140093. The next prime is 2631198140149. The reversal of 2631198140143 is 3410418911362.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2631198140143 - 2²⁵ = 2631164585711 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2631198140143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2631198140149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1315599070071 + 1315599070072.

It is an arithmetic number, because the mean of its divisors is an integer number (1315599070072).

Almost surely, 2^{2631198140143} is an apocalyptic number.

2631198140143 is a deficient number, since it is larger than the sum of its proper divisors (1).

2631198140143 is an equidigital number, since it uses as much as digits as its factorization.

2631198140143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 43.

The spelling of 2631198140143 in words is "two trillion, six hundred thirty-one billion, one hundred ninety-eight million, one hundred forty thousand, one hundred forty-three".