311313303312 has 40 divisors (see below), whose sum is σ = 877337492640. Its totient is φ = 94337364480.

The previous prime is 311313303307. The next prime is 311313303317. The reversal of 311313303312 is 213303313113.

It is an interprime number because it is at equal distance from previous prime (311313303307) and next prime (311313303317).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (311313303317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294803737 + ... + 294804792.

It is an arithmetic number, because the mean of its divisors is an integer number (21933437316).

Almost surely, 2^311313303312 is an apocalyptic number.

It is an amenable number.

311313303312 is an abundant number, since it is smaller than the sum of its proper divisors (566024189328).

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

311313303312 is a wasteful number, since it uses less digits than its factorization.

311313303312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589608551 (or 589608545 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 24.

Adding to 311313303312 its reverse (213303313113), we get a palindrome (524616616425).

The spelling of 311313303312 in words is "three hundred eleven billion, three hundred thirteen million, three hundred three thousand, three hundred twelve".