311444313434 has 16 divisors (see below), whose sum is σ = 474593371560. Its totient is φ = 153255778560.

The previous prime is 311444313419. The next prime is 311444313493. The reversal of 311444313434 is 434313444113.

It can be written as a sum of positive squares in 4 ways, for example, as 222875577409 + 88568736025 = 472097^2 + 297605^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 311444313394 and 311444313403.

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, 2246339 + ... + 2380950.

Almost surely, 2^311444313434 is an apocalyptic number.

311444313434 is a deficient number, since it is larger than the sum of its proper divisors (163149058126).

311444313434 is a wasteful number, since it uses less digits than its factorization.

311444313434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4627825.

The product of its digits is 82944, while the sum is 35.

Adding to 311444313434 its reverse (434313444113), we get a palindrome (745757757547).

The spelling of 311444313434 in words is "three hundred eleven billion, four hundred forty-four million, three hundred thirteen thousand, four hundred thirty-four".