100344040031 has 4 divisors (see below), whose sum is σ = 100347697152. Its totient is φ = 100340382912.

The previous prime is 100344040009. The next prime is 100344040063. The reversal of 100344040031 is 130040443001.

It is a happy number.

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 100344040031 - 2⁶ = 100344039967 is a prime.

It is a super-2 number, since 2×100344040031² (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 = 100344039985 and 100344040012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100344040631) 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, 1787090 + ... + 1842383.

It is an arithmetic number, because the mean of its divisors is an integer number (25086924288).

Almost surely, 2^100344040031 is an apocalyptic number.

100344040031 is a deficient number, since it is larger than the sum of its proper divisors (3657121).

100344040031 is an equidigital number, since it uses as much as digits as its factorization.

100344040031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3657120.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 100344040031 its reverse (130040443001), we get a palindrome (230384483032).

The spelling of 100344040031 in words is "one hundred billion, three hundred forty-four million, forty thousand, thirty-one".