203230133211 has 64 divisors (see below), whose sum is σ = 330049152000. Its totient is φ = 111076455168.

The previous prime is 203230133209. The next prime is 203230133231. The reversal of 203230133211 is 112331032302.

It is not a de Polignac number, because 203230133211 - 2¹ = 203230133209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (203230133231) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2201071 + ... + 2291543.

It is an arithmetic number, because the mean of its divisors is an integer number (5157018000).

Almost surely, 2^203230133211 is an apocalyptic number.

203230133211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

203230133211 is a deficient number, since it is larger than the sum of its proper divisors (126819018789).

203230133211 is an equidigital number, since it uses as much as digits as its factorization.

203230133211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90593 (or 90579 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 203230133211 its reverse (112331032302), we get a palindrome (315561165513).

The spelling of 203230133211 in words is "two hundred three billion, two hundred thirty million, one hundred thirty-three thousand, two hundred eleven".