2011331240303 has 32 divisors (see below), whose sum is σ = 2701069811712. Its totient is φ = 1450769839200.

The previous prime is 2011331240251. The next prime is 2011331240309. The reversal of 2011331240303 is 3030421331102.

It is a de Polignac number, because none of the positive numbers 2^k-2011331240303 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011331240309) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18262901 + ... + 18372702.

It is an arithmetic number, because the mean of its divisors is an integer number (84408431616).

Almost surely, 2^{2011331240303} is an apocalyptic number.

2011331240303 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2011331240303 is a deficient number, since it is larger than the sum of its proper divisors (689738571409).

2011331240303 is a wasteful number, since it uses less digits than its factorization.

2011331240303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36635675.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 2011331240303 its reverse (3030421331102), we get a palindrome (5041752571405).

The spelling of 2011331240303 in words is "two trillion, eleven billion, three hundred thirty-one million, two hundred forty thousand, three hundred three".