303012213 has 16 divisors (see below), whose sum is σ = 477655680. Its totient is φ = 167178816.

The previous prime is 303012187. The next prime is 303012253. The reversal of 303012213 is 312210303.

It is not a de Polignac number, because 303012213 - 2¹⁷ = 302881141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 303012192 and 303012201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303012253) 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, 248170 + ... + 249387.

It is an arithmetic number, because the mean of its divisors is an integer number (29853480).

Almost surely, 2^303012213 is an apocalyptic number.

It is an amenable number.

303012213 is a deficient number, since it is larger than the sum of its proper divisors (174643467).

303012213 is a wasteful number, since it uses less digits than its factorization.

303012213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497596.

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

The square root of 303012213 is about 17407.2459912532. The cubic root of 303012213 is about 671.6660201775. Note that the first 3 decimals are identical.

Adding to 303012213 its reverse (312210303), we get a palindrome (615222516).

The spelling of 303012213 in words is "three hundred three million, twelve thousand, two hundred thirteen".