113422131 has 48 divisors (see below), whose sum is σ = 179262720. Its totient is φ = 68904000.

The previous prime is 113422109. The next prime is 113422151. The reversal of 113422131 is 131224311.

113422131 is a `hidden beast` number, since 113 + 422 + 131 = 666.

It is not a de Polignac number, because 113422131 - 2¹⁵ = 113389363 is a prime.

It is a super-2 number, since 2×113422131² = 25729159601162322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (113422151) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 451756 + ... + 452006.

It is an arithmetic number, because the mean of its divisors is an integer number (3734640).

Almost surely, 2^113422131 is an apocalyptic number.

113422131 is a deficient number, since it is larger than the sum of its proper divisors (65840589).

113422131 is a wasteful number, since it uses less digits than its factorization.

113422131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376 (or 373 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 113422131 is about 10649.9826760422. The cubic root of 113422131 is about 484.0600792278.

Adding to 113422131 its reverse (131224311), we get a palindrome (244646442).

The spelling of 113422131 in words is "one hundred thirteen million, four hundred twenty-two thousand, one hundred thirty-one".