100401110309 has 4 divisors (see below), whose sum is σ = 100427212704. Its totient is φ = 100375007916.

The previous prime is 100401110291. The next prime is 100401110311. The reversal of 100401110309 is 903011104001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 903011104001 = 287179 ⋅3144419.

It is a cyclic number.

It is not a de Polignac number, because 100401110309 - 2²⁰ = 100400061733 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 (100401110399) 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, 13045427 + ... + 13053120.

It is an arithmetic number, because the mean of its divisors is an integer number (25106803176).

Almost surely, 2^100401110309 is an apocalyptic number.

It is an amenable number.

100401110309 is a deficient number, since it is larger than the sum of its proper divisors (26102395).

100401110309 is an equidigital number, since it uses as much as digits as its factorization.

100401110309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26102394.

The product of its (nonzero) digits is 108, while the sum is 20.

The spelling of 100401110309 in words is "one hundred billion, four hundred one million, one hundred ten thousand, three hundred nine".