113431430 has 16 divisors (see below), whose sum is σ = 233344800. Its totient is φ = 38890752.

The previous prime is 113431427. The next prime is 113431481. The reversal of 113431430 is 34134311.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 810155 + ... + 810294.

It is an arithmetic number, because the mean of its divisors is an integer number (14584050).

Almost surely, 2^113431430 is an apocalyptic number.

113431430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113431430 is an abundant number, since it is smaller than the sum of its proper divisors (119913370).

113431430 is a wasteful number, since it uses less digits than its factorization.

113431430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1620463.

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

The square root of 113431430 is about 10650.4192405745. The cubic root of 113431430 is about 484.0733075447.

Adding to 113431430 its reverse (34134311), we get a palindrome (147565741).

The spelling of 113431430 in words is "one hundred thirteen million, four hundred thirty-one thousand, four hundred thirty".