213401112 has 32 divisors (see below), whose sum is σ = 542548800. Its totient is φ = 69927584.

The previous prime is 213401101. The next prime is 213401113. The reversal of 213401112 is 211104312.

It is a junction number, because it is equal to n+sod(n) for n = 213401091 and 213401100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213401113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73938 + ... + 76769.

It is an arithmetic number, because the mean of its divisors is an integer number (16954650).

Almost surely, 2^213401112 is an apocalyptic number.

It is an amenable number.

213401112 is an abundant number, since it is smaller than the sum of its proper divisors (329147688).

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

213401112 is a wasteful number, since it uses less digits than its factorization.

213401112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150775 (or 150771 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 213401112 is about 14608.2549265818. The cubic root of 213401112 is about 597.5839060986.

Adding to 213401112 its reverse (211104312), we get a palindrome (424505424).

The spelling of 213401112 in words is "two hundred thirteen million, four hundred one thousand, one hundred twelve".