113515230201 has 4 divisors (see below), whose sum is σ = 151353640272. Its totient is φ = 75676820132.

The previous prime is 113515230121. The next prime is 113515230217. The reversal of 113515230201 is 102032515311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113515230201 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (113515230001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18919205031 + ... + 18919205036.

It is an arithmetic number, because the mean of its divisors is an integer number (37838410068).

Almost surely, 2^113515230201 is an apocalyptic number.

It is an amenable number.

113515230201 is a deficient number, since it is larger than the sum of its proper divisors (37838410071).

113515230201 is an equidigital number, since it uses as much as digits as its factorization.

113515230201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37838410070.

The product of its (nonzero) digits is 900, while the sum is 24.

Adding to 113515230201 its reverse (102032515311), we get a palindrome (215547745512).

The spelling of 113515230201 in words is "one hundred thirteen billion, five hundred fifteen million, two hundred thirty thousand, two hundred one".