213103310 has 64 divisors (see below), whose sum is σ = 458006400. Its totient is φ = 69844992.

The previous prime is 213103309. The next prime is 213103327. The reversal of 213103310 is 13301312.

It is a super-2 number, since 2×213103310² = 90826041465912200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 228926 + ... + 229854.

It is an arithmetic number, because the mean of its divisors is an integer number (7156350).

Almost surely, 2^213103310 is an apocalyptic number.

213103310 is an abundant number, since it is smaller than the sum of its proper divisors (244903090).

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

213103310 is a wasteful number, since it uses less digits than its factorization.

213103310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 213103310 is about 14598.0584325451. The cubic root of 213103310 is about 597.3057998803.

Adding to 213103310 its reverse (13301312), we get a palindrome (226404622).

The spelling of 213103310 in words is "two hundred thirteen million, one hundred three thousand, three hundred ten".