113379181 has 4 divisors (see below), whose sum is σ = 115791552. Its totient is φ = 110966812.

The previous prime is 113379169. The next prime is 113379193. The reversal of 113379181 is 181973311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 181973311 = 13 ⋅13997947.

It is an interprime number because it is at equal distance from previous prime (113379169) and next prime (113379193).

It is not a de Polignac number, because 113379181 - 2⁹ = 113378669 is a prime.

It is a super-2 number, since 2×113379181² = 25709677368461522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113379781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1206115 + ... + 1206208.

It is an arithmetic number, because the mean of its divisors is an integer number (28947888).

Almost surely, 2^113379181 is an apocalyptic number.

It is an amenable number.

113379181 is a deficient number, since it is larger than the sum of its proper divisors (2412371).

113379181 is an equidigital number, since it uses as much as digits as its factorization.

113379181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2412370.

The product of its digits is 4536, while the sum is 34.

The square root of 113379181 is about 10647.9660499083. The cubic root of 113379181 is about 483.9989712088.

The spelling of 113379181 in words is "one hundred thirteen million, three hundred seventy-nine thousand, one hundred eighty-one".