100233331 has 4 divisors (see below), whose sum is σ = 109345464. Its totient is φ = 91121200.

The previous prime is 100233319. The next prime is 100233349. The reversal of 100233331 is 133332001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133332001 = 11 ⋅12121091.

It is a cyclic number.

It is not a de Polignac number, because 100233331 - 2⁵ = 100233299 is a prime.

It is a super-2 number, since 2×100233331² = 20093441286711122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100233391) 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, 4556050 + ... + 4556071.

It is an arithmetic number, because the mean of its divisors is an integer number (27336366).

Almost surely, 2^100233331 is an apocalyptic number.

100233331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

100233331 is a deficient number, since it is larger than the sum of its proper divisors (9112133).

100233331 is an equidigital number, since it uses as much as digits as its factorization.

100233331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9112132.

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

The square root of 100233331 is about 10011.6597525086. The cubic root of 100233331 is about 464.5196117975.

Adding to 100233331 its reverse (133332001), we get a palindrome (233565332).

The spelling of 100233331 in words is "one hundred million, two hundred thirty-three thousand, three hundred thirty-one".