320312133101 has 4 divisors (see below), whose sum is σ = 331357379100. Its totient is φ = 309266887104.

The previous prime is 320312133067. The next prime is 320312133103. The reversal of 320312133101 is 101331213023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 101331213023 = 157 ⋅645421739.

It can be written as a sum of positive squares in 2 ways, for example, as 83630856100 + 236681277001 = 289190^2 + 486499^2 .

It is a cyclic number.

It is not a de Polignac number, because 320312133101 - 2¹⁴ = 320312116717 is a prime.

It is a super-2 number, since 2×320312133101² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320312133103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5522622956 + ... + 5522623013.

It is an arithmetic number, because the mean of its divisors is an integer number (82839344775).

Almost surely, 2^320312133101 is an apocalyptic number.

It is an amenable number.

320312133101 is a deficient number, since it is larger than the sum of its proper divisors (11045245999).

320312133101 is a wasteful number, since it uses less digits than its factorization.

320312133101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11045245998.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 320312133101 its reverse (101331213023), we get a palindrome (421643346124).

The spelling of 320312133101 in words is "three hundred twenty billion, three hundred twelve million, one hundred thirty-three thousand, one hundred one".