113531222305 has 8 divisors (see below), whose sum is σ = 136630084032. Its totient is φ = 90563233008.

The previous prime is 113531222303. The next prime is 113531222317. The reversal of 113531222305 is 503222135311.

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 113531222305 - 2¹ = 113531222303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113531222303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32716197 + ... + 32719666.

It is an arithmetic number, because the mean of its divisors is an integer number (17078760504).

Almost surely, 2^113531222305 is an apocalyptic number.

It is an amenable number.

113531222305 is a deficient number, since it is larger than the sum of its proper divisors (23098861727).

113531222305 is an equidigital number, since it uses as much as digits as its factorization.

113531222305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65436215.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 113531222305 its reverse (503222135311), we get a palindrome (616753357616).

The spelling of 113531222305 in words is "one hundred thirteen billion, five hundred thirty-one million, two hundred twenty-two thousand, three hundred five".