236032013 has 16 divisors (see below), whose sum is σ = 274145280. Its totient is φ = 199036656.

The previous prime is 236032009. The next prime is 236032021. The reversal of 236032013 is 310230632.

It is not a de Polignac number, because 236032013 - 2² = 236032009 is a prime.

It is a super-2 number, since 2×236032013² = 111422222321664338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (236032513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 202370 + ... + 203532.

It is an arithmetic number, because the mean of its divisors is an integer number (17134080).

Almost surely, 2^236032013 is an apocalyptic number.

It is an amenable number.

236032013 is a deficient number, since it is larger than the sum of its proper divisors (38113267).

236032013 is a wasteful number, since it uses less digits than its factorization.

236032013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1616.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 236032013 is about 15363.3333948073. Note that the first 4 decimals coincide. The cubic root of 236032013 is about 618.0026017283.

Adding to 236032013 its reverse (310230632), we get a palindrome (546262645).

The spelling of 236032013 in words is "two hundred thirty-six million, thirty-two thousand, thirteen".