2011331240293 has 4 divisors (see below), whose sum is σ = 2011386232800. Its totient is φ = 2011276247788.

The previous prime is 2011331240251. The next prime is 2011331240309. The reversal of 2011331240293 is 3920421331102.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2011331240293 - 2³⁷ = 1873892286821 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 (2011331240213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27441355 + ... + 27514552.

It is an arithmetic number, because the mean of its divisors is an integer number (502846558200).

Almost surely, 2^{2011331240293} is an apocalyptic number.

It is an amenable number.

2011331240293 is a deficient number, since it is larger than the sum of its proper divisors (54992507).

2011331240293 is an equidigital number, since it uses as much as digits as its factorization.

2011331240293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54992506.

The product of its (nonzero) digits is 7776, while the sum is 31.

Adding to 2011331240293 its reverse (3920421331102), we get a palindrome (5931752571395).

The spelling of 2011331240293 in words is "two trillion, eleven billion, three hundred thirty-one million, two hundred forty thousand, two hundred ninety-three".