113205311242 has 24 divisors (see below), whose sum is σ = 177565822560. Its totient is φ = 54125231160.

The previous prime is 113205311231. The next prime is 113205311243. The reversal of 113205311242 is 242113502311.

It is not an unprimeable number, because it can be changed into a prime (113205311243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3920317 + ... + 3949087.

It is an arithmetic number, because the mean of its divisors is an integer number (7398575940).

Almost surely, 2^113205311242 is an apocalyptic number.

113205311242 is a deficient number, since it is larger than the sum of its proper divisors (64360511318).

113205311242 is a wasteful number, since it uses less digits than its factorization.

113205311242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32538 (or 32515 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 113205311242 its reverse (242113502311), we get a palindrome (355318813553).

The spelling of 113205311242 in words is "one hundred thirteen billion, two hundred five million, three hundred eleven thousand, two hundred forty-two".