310000213 has 4 divisors (see below), whose sum is σ = 310223200. Its totient is φ = 309777228.

The previous prime is 310000193. The next prime is 310000241. The reversal of 310000213 is 312000013.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 312000013 = 13 ⋅24000001.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-310000213 is a prime.

It is a super-2 number, since 2×310000213² = 192200264120090738, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 310000213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (310000283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109395 + ... + 112192.

It is an arithmetic number, because the mean of its divisors is an integer number (77555800).

Almost surely, 2^310000213 is an apocalyptic number.

It is an amenable number.

310000213 is a deficient number, since it is larger than the sum of its proper divisors (222987).

310000213 is a wasteful number, since it uses less digits than its factorization.

310000213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222986.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 310000213 is about 17606.8229104515. The cubic root of 310000213 is about 676.7901002174.

Adding to 310000213 its reverse (312000013), we get a palindrome (622000226).

The spelling of 310000213 in words is "three hundred ten million, two hundred thirteen", and thus it is an aban number.