231535045343 has 24 divisors (see below), whose sum is σ = 270775093680. Its totient is φ = 197400430080.

The previous prime is 231535045327. The next prime is 231535045397. The reversal of 231535045343 is 343540535132.

It is not a de Polignac number, because 231535045343 - 2⁴ = 231535045327 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231535045297 and 231535045306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231535045303) 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, 12232655 + ... + 12251567.

It is an arithmetic number, because the mean of its divisors is an integer number (11282295570).

Almost surely, 2^231535045343 is an apocalyptic number.

231535045343 is a deficient number, since it is larger than the sum of its proper divisors (39240048337).

231535045343 is a wasteful number, since it uses less digits than its factorization.

231535045343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20247 (or 20240 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 38.

The spelling of 231535045343 in words is "two hundred thirty-one billion, five hundred thirty-five million, forty-five thousand, three hundred forty-three".