100002131939 has 2 divisors, whose sum is σ = 100002131940. Its totient is φ = 100002131938.

The previous prime is 100002131923. The next prime is 100002131941. The reversal of 100002131939 is 939131200001.

It is a strong prime.

It is an emirp because it is prime and its reverse (939131200001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100002131939 - 2⁴ = 100002131923 is a prime.

Together with 100002131941, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (100002131959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50001065969 + 50001065970.

It is an arithmetic number, because the mean of its divisors is an integer number (50001065970).

Almost surely, 2^100002131939 is an apocalyptic number.

100002131939 is a deficient number, since it is larger than the sum of its proper divisors (1).

100002131939 is an equidigital number, since it uses as much as digits as its factorization.

100002131939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458, while the sum is 29.

The spelling of 100002131939 in words is "one hundred billion, two million, one hundred thirty-one thousand, nine hundred thirty-nine".