5205431366231 has 16 divisors (see below), whose sum is σ = 5369288601600. Its totient is φ = 5044892263488.

The previous prime is 5205431366221. The next prime is 5205431366269. The reversal of 5205431366231 is 1326631345025.

It is a cyclic number.

It is not a de Polignac number, because 5205431366231 - 2⁶ = 5205431366167 is a prime.

It is a super-2 number, since 2×5205431366231² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5205431366221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1836161 + ... + 3712458.

It is an arithmetic number, because the mean of its divisors is an integer number (335580537600).

Almost surely, 2^{5205431366231} is an apocalyptic number.

5205431366231 is a deficient number, since it is larger than the sum of its proper divisors (163857235369).

5205431366231 is a wasteful number, since it uses less digits than its factorization.

5205431366231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5548918.

The product of its (nonzero) digits is 388800, while the sum is 41.

The spelling of 5205431366231 in words is "five trillion, two hundred five billion, four hundred thirty-one million, three hundred sixty-six thousand, two hundred thirty-one".