311444542434 has 32 divisors (see below), whose sum is σ = 661963366656. Its totient is φ = 97347536640.

The previous prime is 311444542429. The next prime is 311444542439. The reversal of 311444542434 is 434245444113.

It is an interprime number because it is at equal distance from previous prime (311444542429) and next prime (311444542439).

It is a junction number, because it is equal to n+sod(n) for n = 311444542392 and 311444542401.

It is not an unprimeable number, because it can be changed into a prime (311444542439) 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, 5605897 + ... + 5661180.

It is an arithmetic number, because the mean of its divisors is an integer number (20686355208).

Almost surely, 2^311444542434 is an apocalyptic number.

311444542434 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

311444542434 is an abundant number, since it is smaller than the sum of its proper divisors (350518824222).

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

311444542434 is a wasteful number, since it uses less digits than its factorization.

311444542434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11267370.

The product of its digits is 368640, while the sum is 39.

Adding to 311444542434 its reverse (434245444113), we get a palindrome (745689986547).

The spelling of 311444542434 in words is "three hundred eleven billion, four hundred forty-four million, five hundred forty-two thousand, four hundred thirty-four".