100213312109 has 8 divisors (see below), whose sum is σ = 100637566008. Its totient is φ = 99789926400.

The previous prime is 100213312103. The next prime is 100213312127. The reversal of 100213312109 is 901213312001.

It can be written as a sum of positive squares in 4 ways, for example, as 52039646884 + 48173665225 = 228122^2 + 219485^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100213312109 - 2⁸ = 100213311853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100213312103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14819 + ... + 447935.

It is an arithmetic number, because the mean of its divisors is an integer number (12579695751).

Almost surely, 2^100213312109 is an apocalyptic number.

It is an amenable number.

100213312109 is a deficient number, since it is larger than the sum of its proper divisors (424253899).

100213312109 is an equidigital number, since it uses as much as digits as its factorization.

100213312109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434095.

The product of its (nonzero) digits is 324, while the sum is 23.

The spelling of 100213312109 in words is "one hundred billion, two hundred thirteen million, three hundred twelve thousand, one hundred nine".