320131023132213 has 24 divisors (see below), whose sum is σ = 463742472655800. Its totient is φ = 212806762337664.

The previous prime is 320131023132083. The next prime is 320131023132269. The reversal of 320131023132213 is 312231320131023.

320131023132213 is a `hidden beast` number, since 3 + 2 + 0 + 1 + 310 + 2 + 3 + 132 + 213 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 77630073288849 + 242500949843364 = 8810793^2 + 15572442^2 .

It is not a de Polignac number, because 320131023132213 - 2¹² = 320131023128117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320131023132293) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6097518 + ... + 26027711.

It is an arithmetic number, because the mean of its divisors is an integer number (19322603027325).

Almost surely, 2^{320131023132213} is an apocalyptic number.

It is an amenable number.

320131023132213 is a deficient number, since it is larger than the sum of its proper divisors (143611449523587).

320131023132213 is a wasteful number, since it uses less digits than its factorization.

320131023132213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32128421 (or 32128418 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 320131023132213 its reverse (312231320131023), we get a palindrome (632362343263236).

The spelling of 320131023132213 in words is "three hundred twenty trillion, one hundred thirty-one billion, twenty-three million, one hundred thirty-two thousand, two hundred thirteen".