320142024509 has 8 divisors (see below), whose sum is σ = 321405433440. Its totient is φ = 318880994256.

The previous prime is 320142024491. The next prime is 320142024551. The reversal of 320142024509 is 905420241023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 320142024509 - 2¹² = 320142020413 is a prime.

It is a super-3 number, since 3×320142024509³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320142054509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324722 + ... + 863555.

It is an arithmetic number, because the mean of its divisors is an integer number (40175679180).

Almost surely, 2^320142024509 is an apocalyptic number.

It is an amenable number.

320142024509 is a deficient number, since it is larger than the sum of its proper divisors (1263408931).

320142024509 is a wasteful number, since it uses less digits than its factorization.

320142024509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189339.

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 320142024509 in words is "three hundred twenty billion, one hundred forty-two million, twenty-four thousand, five hundred nine".