231114340 has 24 divisors (see below), whose sum is σ = 502077240. Its totient is φ = 89257728.

The previous prime is 231114319. The next prime is 231114341. The reversal of 231114340 is 43411132.

It can be written as a sum of positive squares in 4 ways, for example, as 18887716 + 212226624 = 4346^2 + 14568^2 .

It is not an unprimeable number, because it can be changed into a prime (231114341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198657 + ... + 199816.

It is an arithmetic number, because the mean of its divisors is an integer number (20919885).

Almost surely, 2^231114340 is an apocalyptic number.

231114340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231114340 is an abundant number, since it is smaller than the sum of its proper divisors (270962900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231114340 is a wasteful number, since it uses less digits than its factorization.

231114340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398511 (or 398509 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 231114340 is about 15202.4451980594. The cubic root of 231114340 is about 613.6804634158.

Adding to 231114340 its reverse (43411132), we get a palindrome (274525472).

The spelling of 231114340 in words is "two hundred thirty-one million, one hundred fourteen thousand, three hundred forty".