320144143031 has 8 divisors (see below), whose sum is σ = 321090712800. Its totient is φ = 319198561920.

The previous prime is 320144143009. The next prime is 320144143063. The reversal of 320144143031 is 130341441023.

It is a happy number.

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 320144143031 - 2¹⁰ = 320144142007 is a prime.

It is a super-2 number, since 2×320144143031² (a number of 24 digits) contains 22 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 (320144143331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 403955 + ... + 896363.

It is an arithmetic number, because the mean of its divisors is an integer number (40136339100).

Almost surely, 2^320144143031 is an apocalyptic number.

320144143031 is a deficient number, since it is larger than the sum of its proper divisors (946569769).

320144143031 is a wasteful number, since it uses less digits than its factorization.

320144143031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494329.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 320144143031 its reverse (130341441023), we get a palindrome (450485584054).

The spelling of 320144143031 in words is "three hundred twenty billion, one hundred forty-four million, one hundred forty-three thousand, thirty-one".