2031143321311 has 16 divisors (see below), whose sum is σ = 2302952279040. Its totient is φ = 1775881812960.

The previous prime is 2031143321267. The next prime is 2031143321327. The reversal of 2031143321311 is 1131233411302.

It is not a de Polignac number, because 2031143321311 - 2¹⁵ = 2031143288543 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 (2031143321381) 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, 506046 + ... + 2078068.

It is an arithmetic number, because the mean of its divisors is an integer number (143934517440).

Almost surely, 2^{2031143321311} is an apocalyptic number.

2031143321311 is a deficient number, since it is larger than the sum of its proper divisors (271808957729).

2031143321311 is a wasteful number, since it uses less digits than its factorization.

2031143321311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1577286.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 2031143321311 its reverse (1131233411302), we get a palindrome (3162376732613).

The spelling of 2031143321311 in words is "two trillion, thirty-one billion, one hundred forty-three million, three hundred twenty-one thousand, three hundred eleven".