133203231200231 has 4 divisors (see below), whose sum is σ = 133205089809264. Its totient is φ = 133201372591200.

The previous prime is 133203231200189. The next prime is 133203231200243. The reversal of 133203231200231 is 132002132302331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133203231200231 is a prime.

It is a super-2 number, since 2×133203231200231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133203231200231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133203231400231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 929197010 + ... + 929340351.

It is an arithmetic number, because the mean of its divisors is an integer number (33301272452316).

Almost surely, 2^{133203231200231} is an apocalyptic number.

133203231200231 is a deficient number, since it is larger than the sum of its proper divisors (1858609033).

133203231200231 is an equidigital number, since it uses as much as digits as its factorization.

133203231200231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1858609032.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 133203231200231 its reverse (132002132302331), we get a palindrome (265205363502562).

The spelling of 133203231200231 in words is "one hundred thirty-three trillion, two hundred three billion, two hundred thirty-one million, two hundred thousand, two hundred thirty-one".