203013213 has 8 divisors (see below), whose sum is σ = 291506208. Its totient is φ = 124931184.

The previous prime is 203013199. The next prime is 203013221. The reversal of 203013213 is 312310302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 203013213 - 2¹² = 203009117 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 203013192 and 203013201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203015213) 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, 2602695 + ... + 2602772.

It is an arithmetic number, because the mean of its divisors is an integer number (36438276).

Almost surely, 2^203013213 is an apocalyptic number.

It is an amenable number.

203013213 is a deficient number, since it is larger than the sum of its proper divisors (88492995).

203013213 is a wasteful number, since it uses less digits than its factorization.

203013213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5205483.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 203013213 is about 14248.2705266288. The cubic root of 203013213 is about 587.7258167984.

Adding to 203013213 its reverse (312310302), we get a palindrome (515323515).

The spelling of 203013213 in words is "two hundred three million, thirteen thousand, two hundred thirteen".