102143052033991 has 2 divisors, whose sum is σ = 102143052033992. Its totient is φ = 102143052033990.

The previous prime is 102143052033961. The next prime is 102143052034069. The reversal of 102143052033991 is 199330250341201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102143052033991 - 2³³ = 102134462099399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102143052033901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51071526016995 + 51071526016996.

It is an arithmetic number, because the mean of its divisors is an integer number (51071526016996).

Almost surely, 2^{102143052033991} is an apocalyptic number.

102143052033991 is a deficient number, since it is larger than the sum of its proper divisors (1).

102143052033991 is an equidigital number, since it uses as much as digits as its factorization.

102143052033991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 174960, while the sum is 43.

The spelling of 102143052033991 in words is "one hundred two trillion, one hundred forty-three billion, fifty-two million, thirty-three thousand, nine hundred ninety-one".