100313312987 has 2 divisors, whose sum is σ = 100313312988. Its totient is φ = 100313312986.

The previous prime is 100313312971. The next prime is 100313313041. The reversal of 100313312987 is 789213313001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100313312987 - 2⁴ = 100313312971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100313312987.

It is not a weakly prime, because it can be changed into another prime (100313312087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50156656493 + 50156656494.

It is an arithmetic number, because the mean of its divisors is an integer number (50156656494).

Almost surely, 2^100313312987 is an apocalyptic number.

100313312987 is a deficient number, since it is larger than the sum of its proper divisors (1).

100313312987 is an equidigital number, since it uses as much as digits as its factorization.

100313312987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 38.

Adding to 100313312987 its reverse (789213313001), we get a palindrome (889526625988).

The spelling of 100313312987 in words is "one hundred billion, three hundred thirteen million, three hundred twelve thousand, nine hundred eighty-seven".