100023331213 has 4 divisors (see below), whose sum is σ = 107717433628. Its totient is φ = 92329228800.

The previous prime is 100023331157. The next prime is 100023331237. The reversal of 100023331213 is 312133320001.

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 4355604009 + 95667727204 = 65997^2 + 309302^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100023331213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100023341213) 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, 3847051188 + ... + 3847051213.

It is an arithmetic number, because the mean of its divisors is an integer number (26929358407).

Almost surely, 2^100023331213 is an apocalyptic number.

100023331213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

100023331213 is a deficient number, since it is larger than the sum of its proper divisors (7694102415).

100023331213 is an equidigital number, since it uses as much as digits as its factorization.

100023331213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7694102414.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 100023331213 its reverse (312133320001), we get a palindrome (412156651214).

The spelling of 100023331213 in words is "one hundred billion, twenty-three million, three hundred thirty-one thousand, two hundred thirteen".