113195311 has 4 divisors (see below), whose sum is σ = 113552712. Its totient is φ = 112837912.

The previous prime is 113195309. The next prime is 113195339. The reversal of 113195311 is 113591311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113591311 = 5483 ⋅20717.

It is a cyclic number.

It is not a de Polignac number, because 113195311 - 2¹ = 113195309 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 (113198311) 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, 178225 + ... + 178858.

It is an arithmetic number, because the mean of its divisors is an integer number (28388178).

Almost surely, 2^113195311 is an apocalyptic number.

113195311 is a deficient number, since it is larger than the sum of its proper divisors (357401).

113195311 is an equidigital number, since it uses as much as digits as its factorization.

113195311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357400.

The product of its digits is 405, while the sum is 25.

The square root of 113195311 is about 10639.3285032468. The cubic root of 113195311 is about 483.7371916922.

The spelling of 113195311 in words is "one hundred thirteen million, one hundred ninety-five thousand, three hundred eleven".