100040445031 has 4 divisors (see below), whose sum is σ = 100154517112. Its totient is φ = 99926372952.

The previous prime is 100040445023. The next prime is 100040445083. The reversal of 100040445031 is 130544040001.

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 100040445031 - 2³ = 100040445023 is a prime.

It is a super-2 number, since 2×100040445031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100040444993 and 100040445011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100040445431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57034725 + ... + 57036478.

It is an arithmetic number, because the mean of its divisors is an integer number (25038629278).

Almost surely, 2^100040445031 is an apocalyptic number.

100040445031 is a deficient number, since it is larger than the sum of its proper divisors (114072081).

100040445031 is an equidigital number, since it uses as much as digits as its factorization.

100040445031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114072080.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 100040445031 its reverse (130544040001), we get a palindrome (230584485032).

The spelling of 100040445031 in words is "one hundred billion, forty million, four hundred forty-five thousand, thirty-one".