213370 has 16 divisors (see below), whose sum is σ = 404640. Its totient is φ = 80784.

The previous prime is 213361. The next prime is 213383. The reversal of 213370 is 73312.

213370 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

213370 is an esthetic number in base 6, because in such base its adjacent digits differ by 1.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372 + ... + 751.

It is an arithmetic number, because the mean of its divisors is an integer number (25290).

2²¹³³⁷⁰ is an apocalyptic number.

213370 is a deficient number, since it is larger than the sum of its proper divisors (191270).

213370 is a wasteful number, since it uses less digits than its factorization.

213370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149.

The product of its (nonzero) digits is 126, while the sum is 16.

The square root of 213370 is about 461.9199064773. The cubic root of 213370 is about 59.7554863866.

Adding to 213370 its reverse (73312), we get a palindrome (286682).

The spelling of 213370 in words is "two hundred thirteen thousand, three hundred seventy".