12031202321311 has 16 divisors (see below), whose sum is σ = 12322161930240. Its totient is φ = 11741707897920.

The previous prime is 12031202321309. The next prime is 12031202321399. The reversal of 12031202321311 is 11312320213021.

It is a cyclic number.

It is not a de Polignac number, because 12031202321311 - 2¹ = 12031202321309 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 (12031202328311) 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, 159360270 + ... + 159435748.

It is an arithmetic number, because the mean of its divisors is an integer number (770135120640).

Almost surely, 2^{12031202321311} is an apocalyptic number.

12031202321311 is a deficient number, since it is larger than the sum of its proper divisors (290959608929).

12031202321311 is an equidigital number, since it uses as much as digits as its factorization.

12031202321311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85134.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 12031202321311 its reverse (11312320213021), we get a palindrome (23343522534332).

The spelling of 12031202321311 in words is "twelve trillion, thirty-one billion, two hundred two million, three hundred twenty-one thousand, three hundred eleven".