2003111323301 has 16 divisors (see below), whose sum is σ = 2244962692800. Its totient is φ = 1771248631680.

The previous prime is 2003111323277. The next prime is 2003111323349. The reversal of 2003111323301 is 1033231113002.

It is a de Polignac number, because none of the positive numbers 2^k-2003111323301 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 (2003111323601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 570050 + ... + 2081148.

It is an arithmetic number, because the mean of its divisors is an integer number (140310168300).

Almost surely, 2^{2003111323301} is an apocalyptic number.

It is an amenable number.

2003111323301 is a deficient number, since it is larger than the sum of its proper divisors (241851369499).

2003111323301 is a wasteful number, since it uses less digits than its factorization.

2003111323301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1514404.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 2003111323301 its reverse (1033231113002), we get a palindrome (3036342436303).

The spelling of 2003111323301 in words is "two trillion, three billion, one hundred eleven million, three hundred twenty-three thousand, three hundred one".