100113197 has 4 divisors (see below), whose sum is σ = 100692060. Its totient is φ = 99534336.

The previous prime is 100113179. The next prime is 100113199. The reversal of 100113197 is 791311001.

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 96314596 + 3798601 = 9814^2 + 1949^2 .

It is a cyclic number.

It is not a de Polignac number, because 100113197 - 2¹² = 100109101 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 (100113199) 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, 289172 + ... + 289517.

It is an arithmetic number, because the mean of its divisors is an integer number (25173015).

Almost surely, 2^100113197 is an apocalyptic number.

It is an amenable number.

100113197 is a deficient number, since it is larger than the sum of its proper divisors (578863).

100113197 is an equidigital number, since it uses as much as digits as its factorization.

100113197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578862.

The product of its (nonzero) digits is 189, while the sum is 23.

The square root of 100113197 is about 10005.6582492108. The cubic root of 100113197 is about 464.3339552962. Note that the first 3 decimals are identical.

Adding to 100113197 its reverse (791311001), we get a palindrome (891424198).

The spelling of 100113197 in words is "one hundred million, one hundred thirteen thousand, one hundred ninety-seven".