231500045003 has 2 divisors, whose sum is σ = 231500045004. Its totient is φ = 231500045002.

The previous prime is 231500044961. The next prime is 231500045057. The reversal of 231500045003 is 300540005132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231500045003 - 2¹² = 231500040907 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 231500045003.

It is not a weakly prime, because it can be changed into another prime (231500047003) by changing a digit.

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 as a sum of consecutive naturals, namely, 115750022501 + 115750022502.

It is an arithmetic number, because the mean of its divisors is an integer number (115750022502).

Almost surely, 2^231500045003 is an apocalyptic number.

231500045003 is a deficient number, since it is larger than the sum of its proper divisors (1).

231500045003 is an equidigital number, since it uses as much as digits as its factorization.

231500045003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 23.

The spelling of 231500045003 in words is "two hundred thirty-one billion, five hundred million, forty-five thousand, three".