102143402311 has 4 divisors (see below), whose sum is σ = 102144142800. Its totient is φ = 102142661824.

The previous prime is 102143402281. The next prime is 102143402341. The reversal of 102143402311 is 113204341201.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (102143402281) and next prime (102143402341).

It is a cyclic number.

It is not a de Polignac number, because 102143402311 - 2¹¹ = 102143400263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102143402341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95251 + ... + 461908.

It is an arithmetic number, because the mean of its divisors is an integer number (25536035700).

Almost surely, 2^102143402311 is an apocalyptic number.

102143402311 is a deficient number, since it is larger than the sum of its proper divisors (740489).

102143402311 is an equidigital number, since it uses as much as digits as its factorization.

102143402311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740488.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 102143402311 its reverse (113204341201), we get a palindrome (215347743512).

The spelling of 102143402311 in words is "one hundred two billion, one hundred forty-three million, four hundred two thousand, three hundred eleven".