113531101 has 4 divisors (see below), whose sum is σ = 114027100. Its totient is φ = 113035104.

The previous prime is 113531087. The next prime is 113531123. The reversal of 113531101 is 101135311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 101135311 = 71 ⋅1424441.

It can be written as a sum of positive squares in 2 ways, for example, as 80192025 + 33339076 = 8955^2 + 5774^2 .

It is a cyclic number.

It is not a de Polignac number, because 113531101 - 2⁵ = 113531069 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113531161) 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, 247656 + ... + 248113.

It is an arithmetic number, because the mean of its divisors is an integer number (28506775).

Almost surely, 2^113531101 is an apocalyptic number.

It is an amenable number.

113531101 is a deficient number, since it is larger than the sum of its proper divisors (495999).

113531101 is an equidigital number, since it uses as much as digits as its factorization.

113531101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495998.

The product of its (nonzero) digits is 45, while the sum is 16.

The square root of 113531101 is about 10655.0974186067. The cubic root of 113531101 is about 484.2150494054.

Adding to 113531101 its reverse (101135311), we get a palindrome (214666412).

The spelling of 113531101 in words is "one hundred thirteen million, five hundred thirty-one thousand, one hundred one".