285335346231 has 48 divisors (see below), whose sum is σ = 452135567520. Its totient is φ = 172325145600.

The previous prime is 285335346199. The next prime is 285335346277. The reversal of 285335346231 is 132643533582.

285335346231 is a `hidden beast` number, since 2 + 8 + 53 + 3 + 534 + 62 + 3 + 1 = 666.

It is not a de Polignac number, because 285335346231 - 2⁵ = 285335346199 is a prime.

It is a super-2 number, since 2×285335346231² (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 (285335346931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4114315 + ... + 4183091.

It is an arithmetic number, because the mean of its divisors is an integer number (9419490990).

Almost surely, 2^285335346231 is an apocalyptic number.

285335346231 is a deficient number, since it is larger than the sum of its proper divisors (166800221289).

285335346231 is a wasteful number, since it uses less digits than its factorization.

285335346231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69456 (or 69453 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 45.

The spelling of 285335346231 in words is "two hundred eighty-five billion, three hundred thirty-five million, three hundred forty-six thousand, two hundred thirty-one".