213413244 has 48 divisors (see below), whose sum is σ = 571831680. Its totient is φ = 61266240.

The previous prime is 213413227. The next prime is 213413261. The reversal of 213413244 is 442314312.

It is an interprime number because it is at equal distance from previous prime (213413227) and next prime (213413261).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40039 + ... + 45054.

It is an arithmetic number, because the mean of its divisors is an integer number (11913160).

Almost surely, 2^213413244 is an apocalyptic number.

It is an amenable number.

213413244 is an abundant number, since it is smaller than the sum of its proper divisors (358418436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213413244 is a wasteful number, since it uses less digits than its factorization.

213413244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85130 (or 85128 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

The square root of 213413244 is about 14608.6701653504. The cubic root of 213413244 is about 597.5952302360.

Adding to 213413244 its reverse (442314312), we get a palindrome (655727556).

The spelling of 213413244 in words is "two hundred thirteen million, four hundred thirteen thousand, two hundred forty-four".