113015513 has 8 divisors (see below), whose sum is σ = 121819656. Its totient is φ = 104227200.

The previous prime is 113015453. The next prime is 113015519. The reversal of 113015513 is 315510311.

It can be written as a sum of positive squares in 4 ways, for example, as 10843849 + 102171664 = 3293^2 + 10108^2 .

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 113015513 - 2⁶ = 113015449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113015519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13883 + ... + 20463.

It is an arithmetic number, because the mean of its divisors is an integer number (15227457).

Almost surely, 2^113015513 is an apocalyptic number.

113015513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

113015513 is a deficient number, since it is larger than the sum of its proper divisors (8804143).

113015513 is a wasteful number, since it uses less digits than its factorization.

113015513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7915.

The product of its (nonzero) digits is 225, while the sum is 20.

The square root of 113015513 is about 10630.8754578351. The cubic root of 113015513 is about 483.4809352875.

Adding to 113015513 its reverse (315510311), we get a palindrome (428525824).

The spelling of 113015513 in words is "one hundred thirteen million, fifteen thousand, five hundred thirteen".