2003313131121 has 8 divisors (see below), whose sum is σ = 2736232569504. Its totient is φ = 1302967890080.

The previous prime is 2003313131117. The next prime is 2003313131201. The reversal of 2003313131121 is 1211313133002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2003313131121 - 2² = 2003313131117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2003313130121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8143549191 + ... + 8143549436.

It is an arithmetic number, because the mean of its divisors is an integer number (342029071188).

Almost surely, 2^{2003313131121} is an apocalyptic number.

It is an amenable number.

2003313131121 is a deficient number, since it is larger than the sum of its proper divisors (732919438383).

2003313131121 is a wasteful number, since it uses less digits than its factorization.

2003313131121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16287098671.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 2003313131121 its reverse (1211313133002), we get a palindrome (3214626264123).

The spelling of 2003313131121 in words is "two trillion, three billion, three hundred thirteen million, one hundred thirty-one thousand, one hundred twenty-one".