113310505 has 16 divisors (see below), whose sum is σ = 169524864. Its totient is φ = 70634880.

The previous prime is 113310499. The next prime is 113310517. The reversal of 113310505 is 505013311.

113310505 = 339² + 340² + ... + 723².

It is not a de Polignac number, because 113310505 - 2³ = 113310497 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146772 + ... + 147541.

It is an arithmetic number, because the mean of its divisors is an integer number (10595304).

Almost surely, 2^113310505 is an apocalyptic number.

It is an amenable number.

113310505 is a deficient number, since it is larger than the sum of its proper divisors (56214359).

113310505 is a wasteful number, since it uses less digits than its factorization.

113310505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294336.

The product of its (nonzero) digits is 225, while the sum is 19.

The square root of 113310505 is about 10644.7407201867. The cubic root of 113310505 is about 483.9012289058.

Adding to 113310505 its reverse (505013311), we get a palindrome (618323816).

The spelling of 113310505 in words is "one hundred thirteen million, three hundred ten thousand, five hundred five".