113120131 has 4 divisors (see below), whose sum is σ = 113197392. Its totient is φ = 113042872.

The previous prime is 113120123. The next prime is 113120153. The reversal of 113120131 is 131021311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113120131 - 2³ = 113120123 is a prime.

It is a super-2 number, since 2×113120131² = 25592328074914322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113120191) 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, 36391 + ... + 39376.

It is an arithmetic number, because the mean of its divisors is an integer number (28299348).

Almost surely, 2^113120131 is an apocalyptic number.

113120131 is a deficient number, since it is larger than the sum of its proper divisors (77261).

113120131 is an equidigital number, since it uses as much as digits as its factorization.

113120131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77260.

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

The square root of 113120131 is about 10635.7947986975. The cubic root of 113120131 is about 483.6300747218.

Adding to 113120131 its reverse (131021311), we get a palindrome (244141442).

The spelling of 113120131 in words is "one hundred thirteen million, one hundred twenty thousand, one hundred thirty-one".