320214031432121 has 4 divisors (see below), whose sum is σ = 320214119216244. Its totient is φ = 320213943648000.

The previous prime is 320214031432103. The next prime is 320214031432159. The reversal of 320214031432121 is 121234130412023.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 284560461966400 + 35653569465721 = 16868920^2 + 5971061^2 .

It is a cyclic number.

It is not a de Polignac number, because 320214031432121 - 2¹⁰ = 320214031431097 is a prime.

It is a super-2 number, since 2×320214031432121² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (320214031435121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38171960 + ... + 45798761.

It is an arithmetic number, because the mean of its divisors is an integer number (80053529804061).

Almost surely, 2^{320214031432121} is an apocalyptic number.

It is an amenable number.

320214031432121 is a deficient number, since it is larger than the sum of its proper divisors (87784123).

320214031432121 is an equidigital number, since it uses as much as digits as its factorization.

320214031432121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87784122.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 320214031432121 its reverse (121234130412023), we get a palindrome (441448161844144).

The spelling of 320214031432121 in words is "three hundred twenty trillion, two hundred fourteen billion, thirty-one million, four hundred thirty-two thousand, one hundred twenty-one".