213340112 has 10 divisors (see below), whose sum is σ = 413346498. Its totient is φ = 106670048.

The previous prime is 213340103. The next prime is 213340117. The reversal of 213340112 is 211043312.

It can be written as a sum of positive squares in only one way, i.e., 195328576 + 18011536 = 13976^2 + 4244^2 .

It is a super-3 number, since 3×213340112³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213340117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6666863 + ... + 6666894.

Almost surely, 2^213340112 is an apocalyptic number.

It is an amenable number.

213340112 is a deficient number, since it is larger than the sum of its proper divisors (200006386).

213340112 is a wasteful number, since it uses less digits than its factorization.

213340112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13333765 (or 13333759 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 213340112 is about 14606.1669167513. The cubic root of 213340112 is about 597.5269615466.

Adding to 213340112 its reverse (211043312), we get a palindrome (424383424).

The spelling of 213340112 in words is "two hundred thirteen million, three hundred forty thousand, one hundred twelve".