213103231003 has 16 divisors (see below), whose sum is σ = 230241263616. Its totient is φ = 196072732800.

The previous prime is 213103230983. The next prime is 213103231007. The reversal of 213103231003 is 300132301312.

It is a cyclic number.

It is not a de Polignac number, because 213103231003 - 2⁹ = 213103230491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213103231007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5054950 + ... + 5096932.

It is an arithmetic number, because the mean of its divisors is an integer number (14390078976).

Almost surely, 2^213103231003 is an apocalyptic number.

213103231003 is a deficient number, since it is larger than the sum of its proper divisors (17138032613).

213103231003 is a wasteful number, since it uses less digits than its factorization.

213103231003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43254.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 213103231003 its reverse (300132301312), we get a palindrome (513235532315).

The spelling of 213103231003 in words is "two hundred thirteen billion, one hundred three million, two hundred thirty-one thousand, three".