2031012131311 has 4 divisors (see below), whose sum is σ = 2065436065800. Its totient is φ = 1996588196824.

The previous prime is 2031012131237. The next prime is 2031012131321. The reversal of 2031012131311 is 1131312101302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2031012131311 - 2¹⁷ = 2031012000239 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 (2031012131321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17211967156 + ... + 17211967273.

It is an arithmetic number, because the mean of its divisors is an integer number (516359016450).

Almost surely, 2^{2031012131311} is an apocalyptic number.

2031012131311 is a deficient number, since it is larger than the sum of its proper divisors (34423934489).

2031012131311 is an equidigital number, since it uses as much as digits as its factorization.

2031012131311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34423934488.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 2031012131311 its reverse (1131312101302), we get a palindrome (3162324232613).

The spelling of 2031012131311 in words is "two trillion, thirty-one billion, twelve million, one hundred thirty-one thousand, three hundred eleven".