313711223638 has 8 divisors (see below), whose sum is σ = 471112106688. Its totient is φ = 156673854744.

The previous prime is 313711223611. The next prime is 313711223659. The reversal of 313711223638 is 836322117313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 313711223638.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90876381 + ... + 90879832.

It is an arithmetic number, because the mean of its divisors is an integer number (58889013336).

Almost surely, 2^313711223638 is an apocalyptic number.

313711223638 is a deficient number, since it is larger than the sum of its proper divisors (157400883050).

313711223638 is a wasteful number, since it uses less digits than its factorization.

313711223638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181757078.

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

The spelling of 313711223638 in words is "three hundred thirteen billion, seven hundred eleven million, two hundred twenty-three thousand, six hundred thirty-eight".