231114247 has 32 divisors (see below), whose sum is σ = 296013312. Its totient is φ = 175561344.

The previous prime is 231114241. The next prime is 231114283. The reversal of 231114247 is 742411132.

It is not a de Polignac number, because 231114247 - 2¹¹ = 231112199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231114241) 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 31 ways as a sum of consecutive naturals, for example, 279048 + ... + 279874.

It is an arithmetic number, because the mean of its divisors is an integer number (9250416).

Almost surely, 2^231114247 is an apocalyptic number.

231114247 is a deficient number, since it is larger than the sum of its proper divisors (64899065).

231114247 is a wasteful number, since it uses less digits than its factorization.

231114247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967.

The product of its digits is 1344, while the sum is 25.

The square root of 231114247 is about 15202.4421393406. The cubic root of 231114247 is about 613.6803811012.

Adding to 231114247 its reverse (742411132), we get a palindrome (973525379).

It can be divided in two parts, 231114 and 247, that added together give a square (231361 = 481²).

The spelling of 231114247 in words is "two hundred thirty-one million, one hundred fourteen thousand, two hundred forty-seven".