231313743 has 12 divisors (see below), whose sum is σ = 341229408. Its totient is φ = 150927840.

The previous prime is 231313741. The next prime is 231313757. The reversal of 231313743 is 347313132.

It is not a de Polignac number, because 231313743 - 2¹ = 231313741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231313741) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 272998 + ... + 273843.

It is an arithmetic number, because the mean of its divisors is an integer number (28435784).

Almost surely, 2^231313743 is an apocalyptic number.

231313743 is a deficient number, since it is larger than the sum of its proper divisors (109915665).

231313743 is a wasteful number, since it uses less digits than its factorization.

231313743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546894 (or 546891 counting only the distinct ones).

The product of its digits is 4536, while the sum is 27.

The square root of 231313743 is about 15209.0020382667. The cubic root of 231313743 is about 613.8569050121.

Adding to 231313743 its reverse (347313132), we get a palindrome (578626875).

The spelling of 231313743 in words is "two hundred thirty-one million, three hundred thirteen thousand, seven hundred forty-three".