213261310 has 8 divisors (see below), whose sum is σ = 383870376. Its totient is φ = 85304520.

The previous prime is 213261289. The next prime is 213261361. The reversal of 213261310 is 13162312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×213261310² = 90960772685832200, which contains 22 as substring.

It is a congruent number.

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, 10663056 + ... + 10663075.

It is an arithmetic number, because the mean of its divisors is an integer number (47983797).

Almost surely, 2^213261310 is an apocalyptic number.

213261310 is a deficient number, since it is larger than the sum of its proper divisors (170609066).

213261310 is a wasteful number, since it uses less digits than its factorization.

213261310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21326138.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 213261310 is about 14603.4691084002. The cubic root of 213261310 is about 597.4533824498.

The spelling of 213261310 in words is "two hundred thirteen million, two hundred sixty-one thousand, three hundred ten".