100313230221 has 48 divisors (see below), whose sum is σ = 153699384384. Its totient is φ = 65356222464.

The previous prime is 100313230177. The next prime is 100313230223. The reversal of 100313230221 is 122032313001.

100313230221 is a `hidden beast` number, since 100 + 313 + 2 + 30 + 221 = 666.

It is not a de Polignac number, because 100313230221 - 2⁷ = 100313230093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100313230194 and 100313230203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100313230223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3294750 + ... + 3325056.

It is an arithmetic number, because the mean of its divisors is an integer number (3202070508).

Almost surely, 2^100313230221 is an apocalyptic number.

It is an amenable number.

100313230221 is a deficient number, since it is larger than the sum of its proper divisors (53386154163).

100313230221 is an equidigital number, since it uses as much as digits as its factorization.

100313230221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30632 (or 30620 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 100313230221 its reverse (122032313001), we get a palindrome (222345543222).

The spelling of 100313230221 in words is "one hundred billion, three hundred thirteen million, two hundred thirty thousand, two hundred twenty-one".