113132217 has 12 divisors (see below), whose sum is σ = 165803120. Its totient is φ = 68564760.

The previous prime is 113132209. The next prime is 113132233. The reversal of 113132217 is 712231311.

It is a happy number.

It is not a de Polignac number, because 113132217 - 2³ = 113132209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113132193 and 113132202.

It is not an unprimeable number, because it can be changed into a prime (113132207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 155467 + ... + 156192.

Almost surely, 2^113132217 is an apocalyptic number.

It is an amenable number.

113132217 is a deficient number, since it is larger than the sum of its proper divisors (52670903).

113132217 is a wasteful number, since it uses less digits than its factorization.

113132217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311684 (or 311673 counting only the distinct ones).

The product of its digits is 252, while the sum is 21.

The square root of 113132217 is about 10636.3629592074. The cubic root of 113132217 is about 483.6472981369.

Adding to 113132217 its reverse (712231311), we get a palindrome (825363528).

It can be divided in two parts, 11313 and 2217, that added together give a triangular number (13530 = T₁₆₄).

The spelling of 113132217 in words is "one hundred thirteen million, one hundred thirty-two thousand, two hundred seventeen".