311189677344 has 144 divisors (see below), whose sum is σ = 1089163962432. Its totient is φ = 82071995904.

The previous prime is 311189677321. The next prime is 311189677361. The reversal of 311189677344 is 443776981113.

311189677344 is a `hidden beast` number, since 31 + 118 + 96 + 77 + 344 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5910714 + ... + 5963129.

It is an arithmetic number, because the mean of its divisors is an integer number (7563638628).

Almost surely, 2^311189677344 is an apocalyptic number.

It is an amenable number.

311189677344 is an abundant number, since it is smaller than the sum of its proper divisors (777974285088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

311189677344 is a wasteful number, since it uses less digits than its factorization.

311189677344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11873879 (or 11873868 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The spelling of 311189677344 in words is "three hundred eleven billion, one hundred eighty-nine million, six hundred seventy-seven thousand, three hundred forty-four".