213102302 has 8 divisors (see below), whose sum is σ = 365318256. Its totient is φ = 91329552.

The previous prime is 213102289. The next prime is 213102319. The reversal of 213102302 is 203201312.

It is a happy number.

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

It is a super-2 number, since 2×213102302² = 90825182235398408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14), and also a Moran number because the ratio is a prime number: 15221593 = 213102302 / (2 + 1 + 3 + 1 + 0 + 2 + 3 + 0 + 2).

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, 7610783 + ... + 7610810.

It is an arithmetic number, because the mean of its divisors is an integer number (45664782).

Almost surely, 2^213102302 is an apocalyptic number.

213102302 is a deficient number, since it is larger than the sum of its proper divisors (152215954).

213102302 is a wasteful number, since it uses less digits than its factorization.

213102302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15221602.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 213102302 is about 14598.0239073650. The cubic root of 213102302 is about 597.3048581067.

Adding to 213102302 its reverse (203201312), we get a palindrome (416303614).

The spelling of 213102302 in words is "two hundred thirteen million, one hundred two thousand, three hundred two".