131123113 has 8 divisors (see below), whose sum is σ = 145742976. Its totient is φ = 116953200.

The previous prime is 131123107. The next prime is 131123131. The reversal of 131123113 is 311321131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131123113 - 2⁵ = 131123081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131123143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111873 + ... + 113038.

It is an arithmetic number, because the mean of its divisors is an integer number (18217872).

Almost surely, 2^131123113 is an apocalyptic number.

It is an amenable number.

131123113 is a deficient number, since it is larger than the sum of its proper divisors (14619863).

131123113 is a wasteful number, since it uses less digits than its factorization.

131123113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224975.

The product of its digits is 54, while the sum is 16.

The square root of 131123113 is about 11450.9000956257. The cubic root of 131123113 is about 508.0343573700.

Adding to 131123113 its reverse (311321131), we get a palindrome (442444244).

The spelling of 131123113 in words is "one hundred thirty-one million, one hundred twenty-three thousand, one hundred thirteen".