133021523024231 has 4 divisors (see below), whose sum is σ = 140022655815000. Its totient is φ = 126020390233464.

The previous prime is 133021523024227. The next prime is 133021523024239. The reversal of 133021523024231 is 132420325120331.

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 133021523024231 - 2² = 133021523024227 is a prime.

It is a super-2 number, since 2×133021523024231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133021523024239) 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, 3500566395356 + ... + 3500566395393.

It is an arithmetic number, because the mean of its divisors is an integer number (35005663953750).

Almost surely, 2^{133021523024231} is an apocalyptic number.

133021523024231 is a deficient number, since it is larger than the sum of its proper divisors (7001132790769).

133021523024231 is an equidigital number, since it uses as much as digits as its factorization.

133021523024231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7001132790768.

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 133021523024231 its reverse (132420325120331), we get a palindrome (265441848144562).

The spelling of 133021523024231 in words is "one hundred thirty-three trillion, twenty-one billion, five hundred twenty-three million, twenty-four thousand, two hundred thirty-one".