133231032301231 has 4 divisors (see below), whose sum is σ = 133233010587000. Its totient is φ = 133229054015464.

The previous prime is 133231032301127. The next prime is 133231032301243. The reversal of 133231032301231 is 132103230132331.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 133231032301231 - 2¹⁹ = 133231031776943 is a prime.

It is a super-2 number, since 2×133231032301231² (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 133231032301231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133231032401231) 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, 989041861 + ... + 989176558.

It is an arithmetic number, because the mean of its divisors is an integer number (33308252646750).

Almost surely, 2^{133231032301231} is an apocalyptic number.

133231032301231 is a deficient number, since it is larger than the sum of its proper divisors (1978285769).

133231032301231 is an equidigital number, since it uses as much as digits as its factorization.

133231032301231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1978285768.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 133231032301231 its reverse (132103230132331), we get a palindrome (265334262433562).

The spelling of 133231032301231 in words is "one hundred thirty-three trillion, two hundred thirty-one billion, thirty-two million, three hundred one thousand, two hundred thirty-one".