100310131231987 has 2 divisors, whose sum is σ = 100310131231988. Its totient is φ = 100310131231986.

The previous prime is 100310131231979. The next prime is 100310131232011. The reversal of 100310131231987 is 789132131013001.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (789132131013001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100310131231987 - 2³ = 100310131231979 is a prime.

It is not a weakly prime, because it can be changed into another prime (100310131231087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50155065615993 + 50155065615994.

It is an arithmetic number, because the mean of its divisors is an integer number (50155065615994).

Almost surely, 2^{100310131231987} is an apocalyptic number.

100310131231987 is a deficient number, since it is larger than the sum of its proper divisors (1).

100310131231987 is an equidigital number, since it uses as much as digits as its factorization.

100310131231987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 40.

Adding to 100310131231987 its reverse (789132131013001), we get a palindrome (889442262244988).

The spelling of 100310131231987 in words is "one hundred trillion, three hundred ten billion, one hundred thirty-one million, two hundred thirty-one thousand, nine hundred eighty-seven".