203232013 has 8 divisors (see below), whose sum is σ = 204368760. Its totient is φ = 202099200.

The previous prime is 203232011. The next prime is 203232017. The reversal of 203232013 is 310232302.

It can be written as a sum of positive squares in 4 ways, for example, as 66879684 + 136352329 = 8178^2 + 11677^2 .

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 203232013 - 2¹ = 203232011 is a prime.

It is a super-2 number, since 2×203232013² = 82606502216064338, 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 (203232011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182703 + ... + 183811.

It is an arithmetic number, because the mean of its divisors is an integer number (25546095).

Almost surely, 2^203232013 is an apocalyptic number.

It is an amenable number.

203232013 is a deficient number, since it is larger than the sum of its proper divisors (1136747).

203232013 is a wasteful number, since it uses less digits than its factorization.

203232013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1967.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 203232013 is about 14255.9465837944. The cubic root of 203232013 is about 587.9368839113.

Adding to 203232013 its reverse (310232302), we get a palindrome (513464315).

The spelling of 203232013 in words is "two hundred three million, two hundred thirty-two thousand, thirteen".