311148969376 has 48 divisors (see below), whose sum is σ = 701680129920. Its totient is φ = 133045758720.

The previous prime is 311148969347. The next prime is 311148969379. The reversal of 311148969376 is 673969841113.

It is a super-2 number, since 2×311148969376² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 311148969376.

It is not an unprimeable number, because it can be changed into a prime (311148969379) 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 7 ways as a sum of consecutive naturals, for example, 1483735 + ... + 1680406.

It is an arithmetic number, because the mean of its divisors is an integer number (14618336040).

Almost surely, 2^311148969376 is an apocalyptic number.

It is an amenable number.

311148969376 is an abundant number, since it is smaller than the sum of its proper divisors (390531160544).

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

311148969376 is a wasteful number, since it uses less digits than its factorization.

311148969376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3164597 (or 3164589 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 58.

The spelling of 311148969376 in words is "three hundred eleven billion, one hundred forty-eight million, nine hundred sixty-nine thousand, three hundred seventy-six".