231402113343 has 24 divisors (see below), whose sum is σ = 351876545280. Its totient is φ = 146133303120.

The previous prime is 231402113297. The next prime is 231402113359. The reversal of 231402113343 is 343311204132.

It is a happy number.

231402113343 is a `hidden beast` number, since 2 + 314 + 0 + 2 + 1 + 1 + 3 + 343 = 666.

It is not a de Polignac number, because 231402113343 - 2¹⁸ = 231401851199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231402113363) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1681948 + ... + 1814318.

It is an arithmetic number, because the mean of its divisors is an integer number (14661522720).

Almost surely, 2^231402113343 is an apocalyptic number.

231402113343 is a deficient number, since it is larger than the sum of its proper divisors (120474431937).

231402113343 is a wasteful number, since it uses less digits than its factorization.

231402113343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142619 (or 142616 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 231402113343 its reverse (343311204132), we get a palindrome (574713317475).

The spelling of 231402113343 in words is "two hundred thirty-one billion, four hundred two million, one hundred thirteen thousand, three hundred forty-three".