2011203131323 has 8 divisors (see below), whose sum is σ = 2011769550000. Its totient is φ = 2010636807168.

The previous prime is 2011203131293. The next prime is 2011203131339. The reversal of 2011203131323 is 3231313021102.

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 2011203131323 - 2⁵ = 2011203131291 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2011203131294 and 2011203131303.

It is not an unprimeable number, because it can be changed into a prime (2011203131363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64543315 + ... + 64574467.

It is an arithmetic number, because the mean of its divisors is an integer number (251471193750).

Almost surely, 2^{2011203131323} is an apocalyptic number.

2011203131323 is a deficient number, since it is larger than the sum of its proper divisors (566418677).

2011203131323 is an equidigital number, since it uses as much as digits as its factorization.

2011203131323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47261.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 2011203131323 its reverse (3231313021102), we get a palindrome (5242516152425).

The spelling of 2011203131323 in words is "two trillion, eleven billion, two hundred three million, one hundred thirty-one thousand, three hundred twenty-three".