100244043331787 has 2 divisors, whose sum is σ = 100244043331788. Its totient is φ = 100244043331786.

The previous prime is 100244043331771. The next prime is 100244043331843. The reversal of 100244043331787 is 787133340442001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100244043331787 - 2⁴ = 100244043331771 is a prime.

It is a super-2 number, since 2×100244043331787² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100244043331987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50122021665893 + 50122021665894.

It is an arithmetic number, because the mean of its divisors is an integer number (50122021665894).

Almost surely, 2^{100244043331787} is an apocalyptic number.

100244043331787 is a deficient number, since it is larger than the sum of its proper divisors (1).

100244043331787 is an equidigital number, since it uses as much as digits as its factorization.

100244043331787 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1354752, while the sum is 47.

Adding to 100244043331787 its reverse (787133340442001), we get a palindrome (887377383773788).

The spelling of 100244043331787 in words is "one hundred trillion, two hundred forty-four billion, forty-three million, three hundred thirty-one thousand, seven hundred eighty-seven".