102542342299 has 4 divisors (see below), whose sum is σ = 105043375080. Its totient is φ = 100041309520.

The previous prime is 102542342291. The next prime is 102542342311. The reversal of 102542342299 is 992243245201.

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

It is a cyclic number.

It is not a de Polignac number, because 102542342299 - 2³ = 102542342291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102542342291) 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, 1250516329 + ... + 1250516410.

It is an arithmetic number, because the mean of its divisors is an integer number (26260843770).

Almost surely, 2^102542342299 is an apocalyptic number.

102542342299 is a deficient number, since it is larger than the sum of its proper divisors (2501032781).

102542342299 is an equidigital number, since it uses as much as digits as its factorization.

102542342299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2501032780.

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 102542342299 in words is "one hundred two billion, five hundred forty-two million, three hundred forty-two thousand, two hundred ninety-nine".