385825652331 has 16 divisors (see below), whose sum is σ = 608198073600. Its totient is φ = 212869325088.

The previous prime is 385825652323. The next prime is 385825652341. The reversal of 385825652331 is 133256528583.

It is not a de Polignac number, because 385825652331 - 2³ = 385825652323 is a prime.

It is a super-2 number, since 2×385825652331² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (385825652341) 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 15 ways as a sum of consecutive naturals, for example, 316769221 + ... + 316770438.

It is an arithmetic number, because the mean of its divisors is an integer number (38012379600).

Almost surely, 2^385825652331 is an apocalyptic number.

385825652331 is a deficient number, since it is larger than the sum of its proper divisors (222372421269).

385825652331 is a wasteful number, since it uses less digits than its factorization.

385825652331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633539698.

The product of its digits is 5184000, while the sum is 51.

The spelling of 385825652331 in words is "three hundred eighty-five billion, eight hundred twenty-five million, six hundred fifty-two thousand, three hundred thirty-one".