115213203 has 12 divisors (see below), whose sum is σ = 190193328. Its totient is φ = 65836080.

The previous prime is 115213193. The next prime is 115213243. The reversal of 115213203 is 302312511.

It is not a de Polignac number, because 115213203 - 2⁶ = 115213139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115213243) 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, 914328 + ... + 914453.

It is an arithmetic number, because the mean of its divisors is an integer number (15849444).

Almost surely, 2^115213203 is an apocalyptic number.

115213203 is a deficient number, since it is larger than the sum of its proper divisors (74980125).

115213203 is a wasteful number, since it uses less digits than its factorization.

115213203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1828794 (or 1828791 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 115213203 is about 10733.7413328252. The cubic root of 115213203 is about 486.5947476656.

Adding to 115213203 its reverse (302312511), we get a palindrome (417525714).

The spelling of 115213203 in words is "one hundred fifteen million, two hundred thirteen thousand, two hundred three".