100331233 has 4 divisors (see below), whose sum is σ = 100620720. Its totient is φ = 100041748.

The previous prime is 100331219. The next prime is 100331237. The reversal of 100331233 is 332133001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 332133001 = 373 ⋅890437.

It is a cyclic number.

It is not a de Polignac number, because 100331233 - 2¹⁷ = 100200161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100331237) 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, 144223 + ... + 144916.

It is an arithmetic number, because the mean of its divisors is an integer number (25155180).

Almost surely, 2^100331233 is an apocalyptic number.

It is an amenable number.

100331233 is a deficient number, since it is larger than the sum of its proper divisors (289487).

100331233 is an equidigital number, since it uses as much as digits as its factorization.

100331233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289486.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 100331233 is about 10016.5479582539. The cubic root of 100331233 is about 464.6708010279.

Adding to 100331233 its reverse (332133001), we get a palindrome (432464234).

The spelling of 100331233 in words is "one hundred million, three hundred thirty-one thousand, two hundred thirty-three".