113430431 has 8 divisors (see below), whose sum is σ = 116987904. Its totient is φ = 109914840.

The previous prime is 113430413. The next prime is 113430439. The reversal of 113430431 is 134034311.

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 113430431 - 2⁶ = 113430367 is a prime.

It is a super-2 number, since 2×113430431² = 25732925353691522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113430439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4925 + ... + 15846.

It is an arithmetic number, because the mean of its divisors is an integer number (14623488).

Almost surely, 2^113430431 is an apocalyptic number.

113430431 is a deficient number, since it is larger than the sum of its proper divisors (3557473).

113430431 is a wasteful number, since it uses less digits than its factorization.

113430431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20941.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 113430431 is about 10650.3723409090. The cubic root of 113430431 is about 484.0718864493.

Adding to 113430431 its reverse (134034311), we get a palindrome (247464742).

The spelling of 113430431 in words is "one hundred thirteen million, four hundred thirty thousand, four hundred thirty-one".