131124113 has 4 divisors (see below), whose sum is σ = 132349680. Its totient is φ = 129898548.

The previous prime is 131124107. The next prime is 131124143. The reversal of 131124113 is 311421131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 311421131 = 7 ⋅44488733.

It is a cyclic number.

It is not a de Polignac number, because 131124113 - 2⁸ = 131123857 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131124091 and 131124100.

It is not an unprimeable number, because it can be changed into a prime (131124143) 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, 612623 + ... + 612836.

It is an arithmetic number, because the mean of its divisors is an integer number (33087420).

Almost surely, 2^131124113 is an apocalyptic number.

It is an amenable number.

131124113 is a deficient number, since it is larger than the sum of its proper divisors (1225567).

131124113 is a wasteful number, since it uses less digits than its factorization.

131124113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225566.

The product of its digits is 72, while the sum is 17.

The square root of 131124113 is about 11450.9437602322. The cubic root of 131124113 is about 508.0356488613.

Adding to 131124113 its reverse (311421131), we get a palindrome (442545244).

The spelling of 131124113 in words is "one hundred thirty-one million, one hundred twenty-four thousand, one hundred thirteen".