311283741712 has 160 divisors (see below), whose sum is σ = 684588326400. Its totient is φ = 136385593344.

The previous prime is 311283741697. The next prime is 311283741719. The reversal of 311283741712 is 217147382113.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (311283741719) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26789728 + ... + 26801344.

It is an arithmetic number, because the mean of its divisors is an integer number (4278677040).

Almost surely, 2^311283741712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 311283741712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (342294163200).

311283741712 is an abundant number, since it is smaller than the sum of its proper divisors (373304584688).

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

311283741712 is a wasteful number, since it uses less digits than its factorization.

311283741712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11793 (or 11787 counting only the distinct ones).

The product of its digits is 56448, while the sum is 40.

The spelling of 311283741712 in words is "three hundred eleven billion, two hundred eighty-three million, seven hundred forty-one thousand, seven hundred twelve".