2131433002321 has 32 divisors (see below), whose sum is σ = 2457597542400. Its totient is φ = 1810764331200.

The previous prime is 2131433002253. The next prime is 2131433002337. The reversal of 2131433002321 is 1232003341312.

It is a cyclic number.

It is not a de Polignac number, because 2131433002321 - 2¹⁵ = 2131432969553 is a prime.

It is a super-2 number, since 2×2131433002321² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2131433032321) 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 31 ways as a sum of consecutive naturals, for example, 888466080 + ... + 888468478.

It is an arithmetic number, because the mean of its divisors is an integer number (76799923200).

Almost surely, 2^{2131433002321} is an apocalyptic number.

It is an amenable number.

2131433002321 is a deficient number, since it is larger than the sum of its proper divisors (326164540079).

2131433002321 is a wasteful number, since it uses less digits than its factorization.

2131433002321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4645.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 2131433002321 its reverse (1232003341312), we get a palindrome (3363436343633).

The spelling of 2131433002321 in words is "two trillion, one hundred thirty-one billion, four hundred thirty-three million, two thousand, three hundred twenty-one".