100031333213 has 4 divisors (see below), whose sum is σ = 114321523680. Its totient is φ = 85741142748.

The previous prime is 100031333183. The next prime is 100031333249. The reversal of 100031333213 is 312333130001.

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: 312333130001 = 313399 ⋅996599.

It is a cyclic number.

It is not a de Polignac number, because 100031333213 - 2³² = 95736365917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100031333263) 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, 7145095223 + ... + 7145095236.

It is an arithmetic number, because the mean of its divisors is an integer number (28580380920).

Almost surely, 2^100031333213 is an apocalyptic number.

It is an amenable number.

100031333213 is a deficient number, since it is larger than the sum of its proper divisors (14290190467).

100031333213 is an equidigital number, since it uses as much as digits as its factorization.

100031333213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14290190466.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 100031333213 its reverse (312333130001), we get a palindrome (412364463214).

The spelling of 100031333213 in words is "one hundred billion, thirty-one million, three hundred thirty-three thousand, two hundred thirteen".