320142311313 has 16 divisors (see below), whose sum is σ = 465816960000. Its totient is φ = 193960886480.

The previous prime is 320142311311. The next prime is 320142311317. The reversal of 320142311313 is 313113241023.

It is a cyclic number.

It is not a de Polignac number, because 320142311313 - 2¹ = 320142311311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320142311311) 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, 1518453 + ... + 1716386.

It is an arithmetic number, because the mean of its divisors is an integer number (29113560000).

Almost surely, 2^320142311313 is an apocalyptic number.

320142311313 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

320142311313 is a deficient number, since it is larger than the sum of its proper divisors (145674648687).

320142311313 is a wasteful number, since it uses less digits than its factorization.

320142311313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3237852.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 320142311313 its reverse (313113241023), we get a palindrome (633255552336).

The spelling of 320142311313 in words is "three hundred twenty billion, one hundred forty-two million, three hundred eleven thousand, three hundred thirteen".