2012131002311 has 4 divisors (see below), whose sum is σ = 2029937471472. Its totient is φ = 1994324533152.

The previous prime is 2012131002307. The next prime is 2012131002367. The reversal of 2012131002311 is 1132001312102.

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 2012131002311 - 2² = 2012131002307 is a prime.

It is a super-2 number, since 2×2012131002311² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2012131002311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012131092311) 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, 8903234411 + ... + 8903234636.

It is an arithmetic number, because the mean of its divisors is an integer number (507484367868).

Almost surely, 2^{2012131002311} is an apocalyptic number.

2012131002311 is a deficient number, since it is larger than the sum of its proper divisors (17806469161).

2012131002311 is a wasteful number, since it uses less digits than its factorization.

2012131002311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17806469160.

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

Adding to 2012131002311 its reverse (1132001312102), we get a palindrome (3144132314413).

The spelling of 2012131002311 in words is "two trillion, twelve billion, one hundred thirty-one million, two thousand, three hundred eleven".