320111343434 has 16 divisors (see below), whose sum is σ = 482316716160. Its totient is φ = 159339495840.

The previous prime is 320111343329. The next prime is 320111343437. The reversal of 320111343434 is 434343111023.

It is a happy number.

It is a super-3 number, since 3×320111343434³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 320111343397 and 320111343406.

It is not an unprimeable number, because it can be changed into a prime (320111343437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1572782 + ... + 1764614.

It is an arithmetic number, because the mean of its divisors is an integer number (30144794760).

Almost surely, 2^320111343434 is an apocalyptic number.

320111343434 is a deficient number, since it is larger than the sum of its proper divisors (162205372726).

320111343434 is a wasteful number, since it uses less digits than its factorization.

320111343434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195565.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 320111343434 its reverse (434343111023), we get a palindrome (754454454457).

The spelling of 320111343434 in words is "three hundred twenty billion, one hundred eleven million, three hundred forty-three thousand, four hundred thirty-four".