512151231230311 has 4 divisors (see below), whose sum is σ = 512153183296000. Its totient is φ = 512149279164624.

The previous prime is 512151231230273. The next prime is 512151231230381. The reversal of 512151231230311 is 113032132151215.

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 512151231230311 - 2²⁹ = 512150694359399 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 (512151231230381) 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, 975639246 + ... + 976164043.

It is an arithmetic number, because the mean of its divisors is an integer number (128038295824000).

Almost surely, 2^{512151231230311} is an apocalyptic number.

512151231230311 is a deficient number, since it is larger than the sum of its proper divisors (1952065689).

512151231230311 is a wasteful number, since it uses less digits than its factorization.

512151231230311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1952065688.

The product of its (nonzero) digits is 5400, while the sum is 31.

Adding to 512151231230311 its reverse (113032132151215), we get a palindrome (625183363381526).

The spelling of 512151231230311 in words is "five hundred twelve trillion, one hundred fifty-one billion, two hundred thirty-one million, two hundred thirty thousand, three hundred eleven".