102042303322431 has 4 divisors (see below), whose sum is σ = 136056404429912. Its totient is φ = 68028202214952.

The previous prime is 102042303322417. The next prime is 102042303322447. The reversal of 102042303322431 is 134223303240201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 102042303322431 - 2¹¹ = 102042303320383 is a prime.

It is a super-2 number, since 2×102042303322431² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102042303322831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17007050553736 + ... + 17007050553741.

It is an arithmetic number, because the mean of its divisors is an integer number (34014101107478).

Almost surely, 2^{102042303322431} is an apocalyptic number.

102042303322431 is a deficient number, since it is larger than the sum of its proper divisors (34014101107481).

102042303322431 is an equidigital number, since it uses as much as digits as its factorization.

102042303322431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34014101107480.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 102042303322431 its reverse (134223303240201), we get a palindrome (236265606562632).

The spelling of 102042303322431 in words is "one hundred two trillion, forty-two billion, three hundred three million, three hundred twenty-two thousand, four hundred thirty-one".