345636345231 has 6 divisors (see below), whose sum is σ = 499252498680. Its totient is φ = 230424230148.

The previous prime is 345636345221. The next prime is 345636345239. The reversal of 345636345231 is 132543636543.

345636345231 is a `hidden beast` number, since 3 + 4 + 5 + 6 + 3 + 634 + 5 + 2 + 3 + 1 = 666.

It is not a de Polignac number, because 345636345231 - 2⁵ = 345636345199 is a prime.

It is a super-2 number, since 2×345636345231² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345636345239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19202019171 + ... + 19202019188.

It is an arithmetic number, because the mean of its divisors is an integer number (83208749780).

Almost surely, 2^345636345231 is an apocalyptic number.

345636345231 is a deficient number, since it is larger than the sum of its proper divisors (153616153449).

345636345231 is a wasteful number, since it uses less digits than its factorization.

345636345231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38404038365 (or 38404038362 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 45.

The spelling of 345636345231 in words is "three hundred forty-five billion, six hundred thirty-six million, three hundred forty-five thousand, two hundred thirty-one".