113312132305 has 8 divisors (see below), whose sum is σ = 136000693800. Its totient is φ = 90632282496.

The previous prime is 113312132291. The next prime is 113312132347. The reversal of 113312132305 is 503231213311.

It can be written as a sum of positive squares in 4 ways, for example, as 37207323664 + 76104808641 = 192892^2 + 275871^2 .

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 113312132305 - 2²⁵ = 113278577873 is a prime.

It is a super-2 number, since 2×113312132305² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 113312132305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2149270 + ... + 2201359.

It is an arithmetic number, because the mean of its divisors is an integer number (17000086725).

Almost surely, 2^113312132305 is an apocalyptic number.

It is an amenable number.

113312132305 is a deficient number, since it is larger than the sum of its proper divisors (22688561495).

113312132305 is an equidigital number, since it uses as much as digits as its factorization.

113312132305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4355843.

The product of its (nonzero) digits is 1620, while the sum is 25.

Adding to 113312132305 its reverse (503231213311), we get a palindrome (616543345616).

The spelling of 113312132305 in words is "one hundred thirteen billion, three hundred twelve million, one hundred thirty-two thousand, three hundred five".