133123200100231 has 16 divisors (see below), whose sum is σ = 145262787603840. Its totient is φ = 120989862882720.

The previous prime is 133123200100217. The next prime is 133123200100283. The reversal of 133123200100231 is 132001002321331.

It is a cyclic number.

It is not a de Polignac number, because 133123200100231 - 2¹⁹ = 133123199575943 is a prime.

It is a super-2 number, since 2×133123200100231² (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 (133123200106231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 751939240 + ... + 752116258.

It is an arithmetic number, because the mean of its divisors is an integer number (9078924225240).

Almost surely, 2^{133123200100231} is an apocalyptic number.

133123200100231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

133123200100231 is a deficient number, since it is larger than the sum of its proper divisors (12139587503609).

133123200100231 is a wasteful number, since it uses less digits than its factorization.

133123200100231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194286.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 133123200100231 its reverse (132001002321331), we get a palindrome (265124202421562).

The spelling of 133123200100231 in words is "one hundred thirty-three trillion, one hundred twenty-three billion, two hundred million, one hundred thousand, two hundred thirty-one".