3431303203121 has 4 divisors (see below), whose sum is σ = 3431826832932. Its totient is φ = 3430779573312.

The previous prime is 3431303203109. The next prime is 3431303203123. The reversal of 3431303203121 is 1213023031343.

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 939842997025 + 2491460206096 = 969455^2 + 1578436^2 .

It is a cyclic number.

It is not a de Polignac number, because 3431303203121 - 2¹⁴ = 3431303186737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3431303203123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261805076 + ... + 261818181.

It is an arithmetic number, because the mean of its divisors is an integer number (857956708233).

Almost surely, 2^{3431303203121} is an apocalyptic number.

It is an amenable number.

3431303203121 is a deficient number, since it is larger than the sum of its proper divisors (523629811).

3431303203121 is an equidigital number, since it uses as much as digits as its factorization.

3431303203121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523629810.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 3431303203121 its reverse (1213023031343), we get a palindrome (4644326234464).

The spelling of 3431303203121 in words is "three trillion, four hundred thirty-one billion, three hundred three million, two hundred three thousand, one hundred twenty-one".