921831314 has 16 divisors (see below), whose sum is σ = 1429483776. Its totient is φ = 445381200.

The previous prime is 921831311. The next prime is 921831319. The reversal of 921831314 is 413138129.

921831314 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (921831311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32084 + ... + 53600.

It is an arithmetic number, because the mean of its divisors is an integer number (89342736).

Almost surely, 2^921831314 is an apocalyptic number.

921831314 is a deficient number, since it is larger than the sum of its proper divisors (507652462).

921831314 is a wasteful number, since it uses less digits than its factorization.

921831314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22241.

The product of its digits is 5184, while the sum is 32.

The square root of 921831314 is about 30361.6750855416. The cubic root of 921831314 is about 973.2337302166.

The spelling of 921831314 in words is "nine hundred twenty-one million, eight hundred thirty-one thousand, three hundred fourteen".