231065603 has 2 divisors, whose sum is σ = 231065604. Its totient is φ = 231065602.

The previous prime is 231065587. The next prime is 231065623. The reversal of 231065603 is 306560132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231065603 - 2⁴ = 231065587 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (231065623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115532801 + 115532802.

It is an arithmetic number, because the mean of its divisors is an integer number (115532802).

Almost surely, 2^231065603 is an apocalyptic number.

231065603 is a deficient number, since it is larger than the sum of its proper divisors (1).

231065603 is an equidigital number, since it uses as much as digits as its factorization.

231065603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 231065603 is about 15200.8421806162. The cubic root of 231065603 is about 613.6373230848.

The spelling of 231065603 in words is "two hundred thirty-one million, sixty-five thousand, six hundred three".