245343431243231 has 4 divisors (see below), whose sum is σ = 245343473403600. Its totient is φ = 245343389082864.

The previous prime is 245343431243213. The next prime is 245343431243233. The reversal of 245343431243231 is 132342134343542.

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

It is a cyclic number.

It is not a de Polignac number, because 245343431243231 - 2¹⁸ = 245343430981087 is a prime.

It is a super-3 number, since 3×245343431243231³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245343431243233) 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, 10621646 + ... + 24566363.

It is an arithmetic number, because the mean of its divisors is an integer number (61335868350900).

Almost surely, 2^{245343431243231} is an apocalyptic number.

245343431243231 is a deficient number, since it is larger than the sum of its proper divisors (42160369).

245343431243231 is an equidigital number, since it uses as much as digits as its factorization.

245343431243231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42160368.

The product of its digits is 2488320, while the sum is 44.

Adding to 245343431243231 its reverse (132342134343542), we get a palindrome (377685565586773).

The spelling of 245343431243231 in words is "two hundred forty-five trillion, three hundred forty-three billion, four hundred thirty-one million, two hundred forty-three thousand, two hundred thirty-one".