231073458545 has 32 divisors (see below), whose sum is σ = 294288951168. Its totient is φ = 173576567808.

The previous prime is 231073458541. The next prime is 231073458557. The reversal of 231073458545 is 545854370132.

231073458545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 231073458545 - 2² = 231073458541 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 231073458545.

It is not an unprimeable number, because it can be changed into a prime (231073458541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119540399 + ... + 119542331.

It is an arithmetic number, because the mean of its divisors is an integer number (9196529724).

Almost surely, 2^231073458545 is an apocalyptic number.

It is an amenable number.

231073458545 is a deficient number, since it is larger than the sum of its proper divisors (63215492623).

231073458545 is a wasteful number, since it uses less digits than its factorization.

231073458545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4529.

The product of its (nonzero) digits is 2016000, while the sum is 47.

The spelling of 231073458545 in words is "two hundred thirty-one billion, seventy-three million, four hundred fifty-eight thousand, five hundred forty-five".