213111628 has 12 divisors (see below), whose sum is σ = 373052680. Its totient is φ = 106525152.

The previous prime is 213111617. The next prime is 213111631. The reversal of 213111628 is 826111312.

213111628 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16288 + ... + 26296.

Almost surely, 2^213111628 is an apocalyptic number.

It is an amenable number.

213111628 is a deficient number, since it is larger than the sum of its proper divisors (159941052).

213111628 is a wasteful number, since it uses less digits than its factorization.

213111628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15336 (or 15334 counting only the distinct ones).

The product of its digits is 576, while the sum is 25.

The square root of 213111628 is about 14598.3433306660. The cubic root of 213111628 is about 597.3135712675.

The spelling of 213111628 in words is "two hundred thirteen million, one hundred eleven thousand, six hundred twenty-eight".