11331203231013 has 16 divisors (see below), whose sum is σ = 15658135449600. Its totient is φ = 7280166237120.

The previous prime is 11331203231011. The next prime is 11331203231021. The reversal of 11331203231013 is 31013230213311.

It is not a de Polignac number, because 11331203231013 - 2¹ = 11331203231011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331203231011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120326053 + ... + 120420186.

It is an arithmetic number, because the mean of its divisors is an integer number (978633465600).

Almost surely, 2^{11331203231013} is an apocalyptic number.

It is an amenable number.

11331203231013 is a deficient number, since it is larger than the sum of its proper divisors (4326932218587).

11331203231013 is a wasteful number, since it uses less digits than its factorization.

11331203231013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240746812.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 11331203231013 its reverse (31013230213311), we get a palindrome (42344433444324).

The spelling of 11331203231013 in words is "eleven trillion, three hundred thirty-one billion, two hundred three million, two hundred thirty-one thousand, thirteen".