100531113 has 8 divisors (see below), whose sum is σ = 134222976. Its totient is φ = 66930000.

The previous prime is 100531097. The next prime is 100531127. The reversal of 100531113 is 311135001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100531113 - 2⁴ = 100531097 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 100531092 and 100531101.

It is not an unprimeable number, because it can be changed into a prime (100531153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20058 + ... + 24563.

It is an arithmetic number, because the mean of its divisors is an integer number (16777872).

Almost surely, 2^100531113 is an apocalyptic number.

It is an amenable number.

100531113 is a deficient number, since it is larger than the sum of its proper divisors (33691863).

100531113 is an equidigital number, since it uses as much as digits as its factorization.

100531113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45375.

The product of its (nonzero) digits is 45, while the sum is 15.

The square root of 100531113 is about 10026.5204831985. The cubic root of 100531113 is about 464.9791689130.

Adding to 100531113 its reverse (311135001), we get a palindrome (411666114).

The spelling of 100531113 in words is "one hundred million, five hundred thirty-one thousand, one hundred thirteen".