231545303543432 has 32 divisors (see below), whose sum is σ = 457179598180800. Its totient is φ = 109723103544384.

The previous prime is 231545303543401. The next prime is 231545303543461. The reversal of 231545303543432 is 234345303545132.

It is a super-3 number, since 3×231545303543432³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5772449618 + ... + 5772489729.

It is an arithmetic number, because the mean of its divisors is an integer number (14286862443150).

Almost surely, 2^{231545303543432} is an apocalyptic number.

It is an amenable number.

231545303543432 is a deficient number, since it is larger than the sum of its proper divisors (225634294637368).

231545303543432 is a wasteful number, since it uses less digits than its factorization.

231545303543432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11544939485 (or 11544939481 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 47.

The spelling of 231545303543432 in words is "two hundred thirty-one trillion, five hundred forty-five billion, three hundred three million, five hundred forty-three thousand, four hundred thirty-two".