113031101 has 4 divisors (see below), whose sum is σ = 113120892. Its totient is φ = 112941312.

The previous prime is 113031097. The next prime is 113031103. The reversal of 113031101 is 101130311.

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: 101130311 = 181 ⋅558731.

It can be written as a sum of positive squares in 2 ways, for example, as 86508601 + 26522500 = 9301^2 + 5150^2 .

It is a cyclic number.

It is not a de Polignac number, because 113031101 - 2² = 113031097 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 (113031103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42980 + ... + 45533.

It is an arithmetic number, because the mean of its divisors is an integer number (28280223).

Almost surely, 2^113031101 is an apocalyptic number.

It is an amenable number.

113031101 is a deficient number, since it is larger than the sum of its proper divisors (89791).

113031101 is an equidigital number, since it uses as much as digits as its factorization.

113031101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89790.

The product of its (nonzero) digits is 9, while the sum is 11.

The square root of 113031101 is about 10631.6085800786. The cubic root of 113031101 is about 483.5031627799.

Adding to 113031101 its reverse (101130311), we get a palindrome (214161412).

The spelling of 113031101 in words is "one hundred thirteen million, thirty-one thousand, one hundred one".