311450112503312 has 160 divisors (see below), whose sum is σ = 650482380463104. Its totient is φ = 143940206592000.

The previous prime is 311450112503269. The next prime is 311450112503317. The reversal of 311450112503312 is 213305211054113.

It is not an unprimeable number, because it can be changed into a prime (311450112503317) 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, 3796695737 + ... + 3796777767.

Almost surely, 2^{311450112503312} 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 311450112503312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (325241190231552).

311450112503312 is an abundant number, since it is smaller than the sum of its proper divisors (339032267959792).

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

311450112503312 is a wasteful number, since it uses less digits than its factorization.

311450112503312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83257 (or 83251 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

Adding to 311450112503312 its reverse (213305211054113), we get a palindrome (524755323557425).

The spelling of 311450112503312 in words is "three hundred eleven trillion, four hundred fifty billion, one hundred twelve million, five hundred three thousand, three hundred twelve".