312711662263 has 24 divisors (see below), whose sum is σ = 423045416864. Its totient is φ = 224927461440.

The previous prime is 312711662227. The next prime is 312711662269. The reversal of 312711662263 is 362266117213.

It is a happy number.

It is not a de Polignac number, because 312711662263 - 2²¹ = 312709565111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312711662269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14188956 + ... + 14210977.

Almost surely, 2^312711662263 is an apocalyptic number.

312711662263 is a deficient number, since it is larger than the sum of its proper divisors (110333754601).

312711662263 is a wasteful number, since it uses less digits than its factorization.

312711662263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28399975 (or 28399964 counting only the distinct ones).

The product of its digits is 108864, while the sum is 40.

Adding to 312711662263 its reverse (362266117213), we get a palindrome (674977779476).

The spelling of 312711662263 in words is "three hundred twelve billion, seven hundred eleven million, six hundred sixty-two thousand, two hundred sixty-three".