311343303740 has 48 divisors (see below), whose sum is σ = 779711933952. Its totient is φ = 102105132096.

The previous prime is 311343303731. The next prime is 311343303743. The reversal of 311343303740 is 47303343113.

It is a junction number, because it is equal to n+sod(n) for n = 311343303697 and 311343303706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311343303743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48342014 + ... + 48348453.

It is an arithmetic number, because the mean of its divisors is an integer number (16243998624).

Almost surely, 2^311343303740 is an apocalyptic number.

It is an amenable number.

311343303740 is an abundant number, since it is smaller than the sum of its proper divisors (468368630212).

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

311343303740 is a wasteful number, since it uses less digits than its factorization.

311343303740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96690506 (or 96690504 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 32.

Adding to 311343303740 its reverse (47303343113), we get a palindrome (358646646853).

The spelling of 311343303740 in words is "three hundred eleven billion, three hundred forty-three million, three hundred three thousand, seven hundred forty".