113012311 has 4 divisors (see below), whose sum is σ = 119660112. Its totient is φ = 106364512.

The previous prime is 113012309. The next prime is 113012327. The reversal of 113012311 is 113210311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113210311 = 3209 ⋅35279.

It is not a de Polignac number, because 113012311 - 2¹ = 113012309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113012291 and 113012300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113012351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3323875 + ... + 3323908.

It is an arithmetic number, because the mean of its divisors is an integer number (29915028).

Almost surely, 2^113012311 is an apocalyptic number.

113012311 is a deficient number, since it is larger than the sum of its proper divisors (6647801).

113012311 is an equidigital number, since it uses as much as digits as its factorization.

113012311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6647800.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 113012311 is about 10630.7248576943. The cubic root of 113012311 is about 483.4763691870.

Adding to 113012311 its reverse (113210311), we get a palindrome (226222622).

The spelling of 113012311 in words is "one hundred thirteen million, twelve thousand, three hundred eleven".