100403431001 has 4 divisors (see below), whose sum is σ = 101817563904. Its totient is φ = 98989298100.

The previous prime is 100403430979. The next prime is 100403431031. The reversal of 100403431001 is 100134304001.

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: 100134304001 = 829 ⋅120789269.

It is a cyclic number.

It is not a de Polignac number, because 100403431001 - 2³⁰ = 99329689177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100403431031) 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, 707066345 + ... + 707066486.

It is an arithmetic number, because the mean of its divisors is an integer number (25454390976).

Almost surely, 2^100403431001 is an apocalyptic number.

It is an amenable number.

100403431001 is a deficient number, since it is larger than the sum of its proper divisors (1414132903).

100403431001 is an equidigital number, since it uses as much as digits as its factorization.

100403431001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1414132902.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 100403431001 its reverse (100134304001), we get a palindrome (200537735002).

The spelling of 100403431001 in words is "one hundred billion, four hundred three million, four hundred thirty-one thousand, one".