113203232304431 has 4 divisors (see below), whose sum is σ = 113203409325000. Its totient is φ = 113203055283864.

The previous prime is 113203232304427. The next prime is 113203232304457. The reversal of 113203232304431 is 134403232302311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113203232304431 - 2² = 113203232304427 is a prime.

It is a super-2 number, since 2×113203232304431² (a number of 29 digits) 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 (113203232334431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87547556 + ... + 88831193.

It is an arithmetic number, because the mean of its divisors is an integer number (28300852331250).

Almost surely, 2^{113203232304431} is an apocalyptic number.

113203232304431 is a deficient number, since it is larger than the sum of its proper divisors (177020569).

113203232304431 is an equidigital number, since it uses as much as digits as its factorization.

113203232304431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177020568.

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 113203232304431 its reverse (134403232302311), we get a palindrome (247606464606742).

The spelling of 113203232304431 in words is "one hundred thirteen trillion, two hundred three billion, two hundred thirty-two million, three hundred four thousand, four hundred thirty-one".