2031002312111 has 2 divisors, whose sum is σ = 2031002312112. Its totient is φ = 2031002312110.

The previous prime is 2031002312093. The next prime is 2031002312137. The reversal of 2031002312111 is 1112132001302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2031002312111 - 2¹⁰ = 2031002311087 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2031002312111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2031002312711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015501156055 + 1015501156056.

It is an arithmetic number, because the mean of its divisors is an integer number (1015501156056).

Almost surely, 2^{2031002312111} is an apocalyptic number.

2031002312111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031002312111 is an equidigital number, since it uses as much as digits as its factorization.

2031002312111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 2031002312111 its reverse (1112132001302), we get a palindrome (3143134313413).

The spelling of 2031002312111 in words is "two trillion, thirty-one billion, two million, three hundred twelve thousand, one hundred eleven".