320142335343 has 32 divisors (see below), whose sum is σ = 483817017600. Its totient is φ = 187075846656.

The previous prime is 320142335329. The next prime is 320142335399. The reversal of 320142335343 is 343533241023.

It is not a de Polignac number, because 320142335343 - 2⁵ = 320142335311 is a prime.

It is a super-2 number, since 2×320142335343² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320142335743) 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, 2742696 + ... + 2857037.

It is an arithmetic number, because the mean of its divisors is an integer number (15119281800).

Almost surely, 2^320142335343 is an apocalyptic number.

320142335343 is a deficient number, since it is larger than the sum of its proper divisors (163674682257).

320142335343 is a wasteful number, since it uses less digits than its factorization.

320142335343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5599831.

The product of its (nonzero) digits is 77760, while the sum is 33.

Adding to 320142335343 its reverse (343533241023), we get a palindrome (663675576366).

The spelling of 320142335343 in words is "three hundred twenty billion, one hundred forty-two million, three hundred thirty-five thousand, three hundred forty-three".