100331103112013 has 4 divisors (see below), whose sum is σ = 100946631352128. Its totient is φ = 99715574871900.

The previous prime is 100331103111989. The next prime is 100331103112043. The reversal of 100331103112013 is 310211301133001.

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.

It is a cyclic number.

It is not a de Polignac number, because 100331103112013 - 2¹⁰ = 100331103110989 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 (100331103112043) 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, 307764119813 + ... + 307764120138.

It is an arithmetic number, because the mean of its divisors is an integer number (25236657838032).

Almost surely, 2^{100331103112013} is an apocalyptic number.

It is an amenable number.

100331103112013 is a deficient number, since it is larger than the sum of its proper divisors (615528240115).

100331103112013 is an equidigital number, since it uses as much as digits as its factorization.

100331103112013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615528240114.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 100331103112013 its reverse (310211301133001), we get a palindrome (410542404245014).

The spelling of 100331103112013 in words is "one hundred trillion, three hundred thirty-one billion, one hundred three million, one hundred twelve thousand, thirteen".