920531271 has 16 divisors (see below), whose sum is σ = 1352216448. Its totient is φ = 552372000.

The previous prime is 920531263. The next prime is 920531273. The reversal of 920531271 is 172135029.

It is not a de Polignac number, because 920531271 - 2³ = 920531263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920531273) 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 15 ways as a sum of consecutive naturals, for example, 134761 + ... + 141426.

It is an arithmetic number, because the mean of its divisors is an integer number (84513528).

Almost surely, 2^920531271 is an apocalyptic number.

920531271 is a deficient number, since it is larger than the sum of its proper divisors (431685177).

920531271 is a wasteful number, since it uses less digits than its factorization.

920531271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276302.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 920531271 is about 30340.2582553280. The cubic root of 920531271 is about 972.7760033237.

The spelling of 920531271 in words is "nine hundred twenty million, five hundred thirty-one thousand, two hundred seventy-one".