311401673836 has 12 divisors (see below), whose sum is σ = 594494104680. Its totient is φ = 141546215360.

The previous prime is 311401673777. The next prime is 311401673851. The reversal of 311401673836 is 638376104113.

It is a junction number, because it is equal to n+sod(n) for n = 311401673792 and 311401673801.

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, 3538655341 + ... + 3538655428.

It is an arithmetic number, because the mean of its divisors is an integer number (49541175390).

Almost surely, 2^311401673836 is an apocalyptic number.

It is an amenable number.

311401673836 is a deficient number, since it is larger than the sum of its proper divisors (283092430844).

311401673836 is a wasteful number, since it uses less digits than its factorization.

311401673836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7077310784 (or 7077310782 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 43.

Adding to 311401673836 its reverse (638376104113), we get a palindrome (949777777949).

The spelling of 311401673836 in words is "three hundred eleven billion, four hundred one million, six hundred seventy-three thousand, eight hundred thirty-six".