100031012233 has 4 divisors (see below), whose sum is σ = 100082763268. Its totient is φ = 99979261200.

The previous prime is 100031012219. The next prime is 100031012239. The reversal of 100031012233 is 332210130001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 63045183744 + 36985828489 = 251088^2 + 192317^2 .

It is a cyclic number.

It is not a de Polignac number, because 100031012233 - 2⁵ = 100031012201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100031012239) 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, 25872618 + ... + 25876483.

It is an arithmetic number, because the mean of its divisors is an integer number (25020690817).

Almost surely, 2^100031012233 is an apocalyptic number.

It is an amenable number.

100031012233 is a deficient number, since it is larger than the sum of its proper divisors (51751035).

100031012233 is an equidigital number, since it uses as much as digits as its factorization.

100031012233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51751034.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 100031012233 its reverse (332210130001), we get a palindrome (432241142234).

The spelling of 100031012233 in words is "one hundred billion, thirty-one million, twelve thousand, two hundred thirty-three".