2011313231203 has 2 divisors, whose sum is σ = 2011313231204. Its totient is φ = 2011313231202.

The previous prime is 2011313231149. The next prime is 2011313231209. The reversal of 2011313231203 is 3021323131102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2011313231203 - 2¹³ = 2011313223011 is a prime.

It is not a weakly prime, because it can be changed into another prime (2011313231209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005656615601 + 1005656615602.

It is an arithmetic number, because the mean of its divisors is an integer number (1005656615602).

Almost surely, 2^{2011313231203} is an apocalyptic number.

2011313231203 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011313231203 is an equidigital number, since it uses as much as digits as its factorization.

2011313231203 is an odious number, because the sum of its binary digits is odd.

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

Adding to 2011313231203 its reverse (3021323131102), we get a palindrome (5032636362305).

The spelling of 2011313231203 in words is "two trillion, eleven billion, three hundred thirteen million, two hundred thirty-one thousand, two hundred three".