224000311 has 2 divisors, whose sum is σ = 224000312. Its totient is φ = 224000310.

The previous prime is 224000299. The next prime is 224000353. The reversal of 224000311 is 113000422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 224000311 - 2¹¹ = 223998263 is a prime.

It is a super-2 number, since 2×224000311² = 100352278656193442, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 224000291 and 224000300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224000111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112000155 + 112000156.

It is an arithmetic number, because the mean of its divisors is an integer number (112000156).

Almost surely, 2^224000311 is an apocalyptic number.

224000311 is a deficient number, since it is larger than the sum of its proper divisors (1).

224000311 is an equidigital number, since it uses as much as digits as its factorization.

224000311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 224000311 is about 14966.6399368729. The cubic root of 224000311 is about 607.3180754402.

Adding to 224000311 its reverse (113000422), we get a palindrome (337000733).

The spelling of 224000311 in words is "two hundred twenty-four million, three hundred eleven", and thus it is an aban number.