231340413343 has 32 divisors (see below), whose sum is σ = 264229257600. Its totient is φ = 200935612416.

The previous prime is 231340413331. The next prime is 231340413347. The reversal of 231340413343 is 343314043132.

It is not a de Polignac number, because 231340413343 - 2²¹ = 231338316191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231340413347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5220303 + ... + 5264431.

It is an arithmetic number, because the mean of its divisors is an integer number (8257164300).

Almost surely, 2^231340413343 is an apocalyptic number.

231340413343 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

231340413343 is a deficient number, since it is larger than the sum of its proper divisors (32888844257).

231340413343 is a wasteful number, since it uses less digits than its factorization.

231340413343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44451.

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 231340413343 its reverse (343314043132), we get a palindrome (574654456475).

The spelling of 231340413343 in words is "two hundred thirty-one billion, three hundred forty million, four hundred thirteen thousand, three hundred forty-three".