311968447376 has 40 divisors (see below), whose sum is σ = 605502537024. Its totient is φ = 155709947520.

The previous prime is 311968447367. The next prime is 311968447387. The reversal of 311968447376 is 673744869113.

It is a happy number.

It is a super-3 number, since 3×311968447376³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29240795 + ... + 29251461.

Almost surely, 2^311968447376 is an apocalyptic number.

It is an amenable number.

311968447376 is a deficient number, since it is larger than the sum of its proper divisors (293534089648).

311968447376 is a wasteful number, since it uses less digits than its factorization.

311968447376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13719 (or 13713 counting only the distinct ones).

The product of its digits is 18289152, while the sum is 59.

The spelling of 311968447376 in words is "three hundred eleven billion, nine hundred sixty-eight million, four hundred forty-seven thousand, three hundred seventy-six".