315431144205111 has 12 divisors (see below), whose sum is σ = 497043015111240. Its totient is φ = 191170390427280.

The previous prime is 315431144205077. The next prime is 315431144205127. The reversal of 315431144205111 is 111502441134513.

315431144205111 is a `hidden beast` number, since 3 + 1 + 5 + 4 + 3 + 114 + 4 + 20 + 511 + 1 = 666.

It is not a de Polignac number, because 315431144205111 - 2⁴⁶ = 245062400027447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315431144206111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1593086586796 + ... + 1593086586993.

It is an arithmetic number, because the mean of its divisors is an integer number (41420251259270).

Almost surely, 2^{315431144205111} is an apocalyptic number.

315431144205111 is a deficient number, since it is larger than the sum of its proper divisors (181611870906129).

315431144205111 is a wasteful number, since it uses less digits than its factorization.

315431144205111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3186173173806 (or 3186173173803 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

Adding to 315431144205111 its reverse (111502441134513), we get a palindrome (426933585339624).

The spelling of 315431144205111 in words is "three hundred fifteen trillion, four hundred thirty-one billion, one hundred forty-four million, two hundred five thousand, one hundred eleven".