311344114240 has 56 divisors (see below), whose sum is σ = 742510292472. Its totient is φ = 124349153280.

The previous prime is 311344114219. The next prime is 311344114297. The reversal of 311344114240 is 42411443113.

It can be written as a sum of positive squares in 4 ways, for example, as 66176533504 + 245167580736 = 257248^2 + 495144^2 .

It is a junction number, because it is equal to n+sod(n) for n = 311344114199 and 311344114208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 524449 + ... + 947488.

Almost surely, 2^311344114240 is an apocalyptic number.

It is an amenable number.

311344114240 is an abundant number, since it is smaller than the sum of its proper divisors (431166178232).

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

311344114240 is a wasteful number, since it uses less digits than its factorization.

311344114240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1472615 (or 1472605 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 311344114240 its reverse (42411443113), we get a palindrome (353755557353).

The spelling of 311344114240 in words is "three hundred eleven billion, three hundred forty-four million, one hundred fourteen thousand, two hundred forty".