2431303323401 has 4 divisors (see below), whose sum is σ = 2574321165972. Its totient is φ = 2288285480832.

The previous prime is 2431303323389. The next prime is 2431303323403. The reversal of 2431303323401 is 1043233031342.

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 2072620915600 + 358682407801 = 1439660^2 + 598901^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2431303323401 is a prime.

It is a super-2 number, since 2×2431303323401² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2431303323403) 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, 71508921260 + ... + 71508921293.

It is an arithmetic number, because the mean of its divisors is an integer number (643580291493).

Almost surely, 2^{2431303323401} is an apocalyptic number.

It is an amenable number.

2431303323401 is a deficient number, since it is larger than the sum of its proper divisors (143017842571).

2431303323401 is a wasteful number, since it uses less digits than its factorization.

2431303323401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143017842570.

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 2431303323401 its reverse (1043233031342), we get a palindrome (3474536354743).

The spelling of 2431303323401 in words is "two trillion, four hundred thirty-one billion, three hundred three million, three hundred twenty-three thousand, four hundred one".