213312283 has 2 divisors, whose sum is σ = 213312284. Its totient is φ = 213312282.

The previous prime is 213312251. The next prime is 213312361. The reversal of 213312283 is 382213312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213312283 - 2⁵ = 213312251 is a prime.

It is a super-3 number, since 3×213312283³ (a number of 26 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (213312223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106656141 + 106656142.

It is an arithmetic number, because the mean of its divisors is an integer number (106656142).

Almost surely, 2^213312283 is an apocalyptic number.

213312283 is a deficient number, since it is larger than the sum of its proper divisors (1).

213312283 is an equidigital number, since it uses as much as digits as its factorization.

213312283 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 25.

The square root of 213312283 is about 14605.2142401267. The cubic root of 213312283 is about 597.5009790896.

Adding to 213312283 its reverse (382213312), we get a palindrome (595525595).

The spelling of 213312283 in words is "two hundred thirteen million, three hundred twelve thousand, two hundred eighty-three".