133100110231 has 12 divisors (see below), whose sum is σ = 146352688216. Its totient is φ = 120956623920.

The previous prime is 133100110223. The next prime is 133100110331. The reversal of 133100110231 is 132011001331.

It is not a de Polignac number, because 133100110231 - 2³ = 133100110223 is a prime.

It is a super-2 number, since 2×133100110231² (a number of 23 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 (133100110211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142945 + ... + 535381.

Almost surely, 2^133100110231 is an apocalyptic number.

133100110231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

133100110231 is a deficient number, since it is larger than the sum of its proper divisors (13252577985).

133100110231 is a wasteful number, since it uses less digits than its factorization.

133100110231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395262 (or 395251 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 133100110231 its reverse (132011001331), we get a palindrome (265111111562).

The spelling of 133100110231 in words is "one hundred thirty-three billion, one hundred million, one hundred ten thousand, two hundred thirty-one".