100333133231 has 4 divisors (see below), whose sum is σ = 102780282864. Its totient is φ = 97885983600.

The previous prime is 100333133227. The next prime is 100333133233. The reversal of 100333133231 is 132331333001.

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 100333133231 - 2² = 100333133227 is a prime.

It is a super-2 number, since 2×100333133231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100333133197 and 100333133206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100333133233) 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, 1223574755 + ... + 1223574836.

It is an arithmetic number, because the mean of its divisors is an integer number (25695070716).

Almost surely, 2^100333133231 is an apocalyptic number.

100333133231 is a deficient number, since it is larger than the sum of its proper divisors (2447149633).

100333133231 is an equidigital number, since it uses as much as digits as its factorization.

100333133231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2447149632.

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 100333133231 its reverse (132331333001), we get a palindrome (232664466232).

The spelling of 100333133231 in words is "one hundred billion, three hundred thirty-three million, one hundred thirty-three thousand, two hundred thirty-one".