213130516 has 12 divisors (see below), whose sum is σ = 373714740. Its totient is φ = 106354880.

The previous prime is 213130501. The next prime is 213130517. The reversal of 213130516 is 615031312.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 119814916 + 93315600 = 10946^2 + 9660^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213130517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50305 + ... + 54376.

It is an arithmetic number, because the mean of its divisors is an integer number (31142895).

Almost surely, 2^213130516 is an apocalyptic number.

It is an amenable number.

213130516 is a deficient number, since it is larger than the sum of its proper divisors (160584224).

213130516 is a wasteful number, since it uses less digits than its factorization.

213130516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105194 (or 105192 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 213130516 is about 14598.9902390542. The cubic root of 213130516 is about 597.3312173020.

Adding to 213130516 its reverse (615031312), we get a palindrome (828161828).

The spelling of 213130516 in words is "two hundred thirteen million, one hundred thirty thousand, five hundred sixteen".