100133201231 has 6 divisors (see below), whose sum is σ = 116481479040. Its totient is φ = 85828458156.

The previous prime is 100133201209. The next prime is 100133201237. The reversal of 100133201231 is 132102331001.

It is not a de Polignac number, because 100133201231 - 2²⁶ = 100066092367 is a prime.

It is a super-2 number, since 2×100133201231² (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 (100133201237) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1021767311 + ... + 1021767408.

It is an arithmetic number, because the mean of its divisors is an integer number (19413579840).

Almost surely, 2^100133201231 is an apocalyptic number.

100133201231 is a deficient number, since it is larger than the sum of its proper divisors (16348277809).

100133201231 is an equidigital number, since it uses as much as digits as its factorization.

100133201231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2043534733 (or 2043534726 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 100133201231 its reverse (132102331001), we get a palindrome (232235532232).

The spelling of 100133201231 in words is "one hundred billion, one hundred thirty-three million, two hundred one thousand, two hundred thirty-one".