2001303412103 has 4 divisors (see below), whose sum is σ = 2001513841488. Its totient is φ = 2001092982720.

The previous prime is 2001303412081. The next prime is 2001303412109. The reversal of 2001303412103 is 3012143031002.

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 2001303412103 - 2⁸ = 2001303411847 is a prime.

It is a super-2 number, since 2×2001303412103² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001303412109) 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, 105200426 + ... + 105219447.

It is an arithmetic number, because the mean of its divisors is an integer number (500378460372).

Almost surely, 2^{2001303412103} is an apocalyptic number.

2001303412103 is a deficient number, since it is larger than the sum of its proper divisors (210429385).

2001303412103 is an equidigital number, since it uses as much as digits as its factorization.

2001303412103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210429384.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 2001303412103 its reverse (3012143031002), we get a palindrome (5013446443105).

The spelling of 2001303412103 in words is "two trillion, one billion, three hundred three million, four hundred twelve thousand, one hundred three".