100312321130999 has 4 divisors (see below), whose sum is σ = 100728554828880. Its totient is φ = 99896087433120.

The previous prime is 100312321130993. The next prime is 100312321131049. The reversal of 100312321130999 is 999031123213001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100312321130999 - 2⁸ = 100312321130743 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 (100312321130993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208116848579 + ... + 208116849060.

It is an arithmetic number, because the mean of its divisors is an integer number (25182138707220).

Almost surely, 2^{100312321130999} is an apocalyptic number.

100312321130999 is a deficient number, since it is larger than the sum of its proper divisors (416233697881).

100312321130999 is an equidigital number, since it uses as much as digits as its factorization.

100312321130999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416233697880.

The product of its (nonzero) digits is 78732, while the sum is 44.

The spelling of 100312321130999 in words is "one hundred trillion, three hundred twelve billion, three hundred twenty-one million, one hundred thirty thousand, nine hundred ninety-nine".