30210021230203 has 32 divisors (see below), whose sum is σ = 31407477140160. Its totient is φ = 29023420715520.

The previous prime is 30210021230153. The next prime is 30210021230231. The reversal of 30210021230203 is 30203212001203.

It is a de Polignac number, because none of the positive numbers 2^k-30210021230203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30210021230243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10648578501 + ... + 10648581337.

It is an arithmetic number, because the mean of its divisors is an integer number (981483660630).

Almost surely, 2^{30210021230203} is an apocalyptic number.

30210021230203 is a deficient number, since it is larger than the sum of its proper divisors (1197455909957).

30210021230203 is a wasteful number, since it uses less digits than its factorization.

30210021230203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5247.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 30210021230203 its reverse (30203212001203), we get a palindrome (60413233231406).

The spelling of 30210021230203 in words is "thirty trillion, two hundred ten billion, twenty-one million, two hundred thirty thousand, two hundred three".