320201552313 has 12 divisors (see below), whose sum is σ = 463182701488. Its totient is φ = 213158771640.

The previous prime is 320201552303. The next prime is 320201552371. The reversal of 320201552313 is 313255102023.

It is a happy number.

320201552313 is a `hidden beast` number, since 320 + 20 + 1 + 5 + 5 + 2 + 313 = 666.

It is not a de Polignac number, because 320201552313 - 2¹² = 320201548217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320201552303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25737595 + ... + 25750032.

Almost surely, 2^320201552313 is an apocalyptic number.

It is an amenable number.

320201552313 is a deficient number, since it is larger than the sum of its proper divisors (142981149175).

320201552313 is a wasteful number, since it uses less digits than its factorization.

320201552313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51488324 (or 51488321 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 320201552313 its reverse (313255102023), we get a palindrome (633456654336).

The spelling of 320201552313 in words is "three hundred twenty billion, two hundred one million, five hundred fifty-two thousand, three hundred thirteen".