100013231020387 has 2 divisors, whose sum is σ = 100013231020388. Its totient is φ = 100013231020386.

The previous prime is 100013231020361. The next prime is 100013231020433. The reversal of 100013231020387 is 783020132310001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100013231020387 - 2²⁷ = 100013096802659 is a prime.

It is not a weakly prime, because it can be changed into another prime (100013231020357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50006615510193 + 50006615510194.

It is an arithmetic number, because the mean of its divisors is an integer number (50006615510194).

Almost surely, 2^{100013231020387} is an apocalyptic number.

100013231020387 is a deficient number, since it is larger than the sum of its proper divisors (1).

100013231020387 is an equidigital number, since it uses as much as digits as its factorization.

100013231020387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

Adding to 100013231020387 its reverse (783020132310001), we get a palindrome (883033363330388).

The spelling of 100013231020387 in words is "one hundred trillion, thirteen billion, two hundred thirty-one million, twenty thousand, three hundred eighty-seven".