320142034511 has 16 divisors (see below), whose sum is σ = 365356674144.
Its totient is φ = 277897903104.
The previous prime is 320142034489. The next prime is 320142034559. The reversal of 320142034511 is 115430241023.
Adding to 320142034511 its reverse (115430241023), we get a palindrome (435572275534).
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 320142034511 - 214 = 320142018127 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (320142034411) 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, 347870 + ... + 872523.
It is an arithmetic number, because the mean of its divisors is an integer number (22834792134).
Almost surely, 2320142034511 is an apocalyptic number.
320142034511 is a deficient number, since it is larger than the sum of its proper divisors (45214639633).
320142034511 is a wasteful number, since it uses less digits than its factorization.
320142034511 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1221610.
The product of its (nonzero) digits is 2880, while the sum is 26.
The spelling of 320142034511 in words is "three hundred twenty billion, one hundred forty-two million, thirty-four thousand, five hundred eleven".