100011031003031 has 4 divisors (see below), whose sum is σ = 100011144737592. Its totient is φ = 100010917268472.

The previous prime is 100011031002823. The next prime is 100011031003033. The reversal of 100011031003031 is 130300130110001.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100011031003031 is a prime.

It is a super-2 number, since 2×100011031003031² (a number of 29 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 = 100011031002997 and 100011031003015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100011031003033) 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, 55537916 + ... + 57310401.

It is an arithmetic number, because the mean of its divisors is an integer number (25002786184398).

Almost surely, 2^{100011031003031} is an apocalyptic number.

100011031003031 is a deficient number, since it is larger than the sum of its proper divisors (113734561).

100011031003031 is an equidigital number, since it uses as much as digits as its factorization.

100011031003031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113734560.

The product of its (nonzero) digits is 27, while the sum is 14.

Adding to 100011031003031 its reverse (130300130110001), we get a palindrome (230311161113032).

The spelling of 100011031003031 in words is "one hundred trillion, eleven billion, thirty-one million, three thousand, thirty-one".