100203003313013 has 4 divisors (see below), whose sum is σ = 100203228315360. Its totient is φ = 100202778310668.

The previous prime is 100203003312943. The next prime is 100203003313043. The reversal of 100203003313013 is 310313300302001.

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 a de Polignac number, because none of the positive numbers 2^k-100203003313013 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100203003313043) 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, 111831833 + ... + 112724286.

It is an arithmetic number, because the mean of its divisors is an integer number (25050807078840).

Almost surely, 2^{100203003313013} is an apocalyptic number.

It is an amenable number.

100203003313013 is a deficient number, since it is larger than the sum of its proper divisors (225002347).

100203003313013 is an equidigital number, since it uses as much as digits as its factorization.

100203003313013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225002346.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 100203003313013 its reverse (310313300302001), we get a palindrome (410516303615014).

The spelling of 100203003313013 in words is "one hundred trillion, two hundred three billion, three million, three hundred thirteen thousand, thirteen".