213751112 has 32 divisors (see below), whose sum is σ = 423446400. Its totient is φ = 100989504.

The previous prime is 213751103. The next prime is 213751117. The reversal of 213751112 is 211157312.

213751112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (213751117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1103 + ... + 20705.

It is an arithmetic number, because the mean of its divisors is an integer number (13232700).

Almost surely, 2^213751112 is an apocalyptic number.

It is an amenable number.

213751112 is a deficient number, since it is larger than the sum of its proper divisors (209695288).

213751112 is a wasteful number, since it uses less digits than its factorization.

213751112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19685 (or 19681 counting only the distinct ones).

The product of its digits is 420, while the sum is 23.

The square root of 213751112 is about 14620.2295467616. The cubic root of 213751112 is about 597.9104275559.

The spelling of 213751112 in words is "two hundred thirteen million, seven hundred fifty-one thousand, one hundred twelve".