3102130221 has 16 divisors (see below), whose sum is σ = 4339870080. Its totient is φ = 1967232960.

The previous prime is 3102130201. The next prime is 3102130223. The reversal of 3102130221 is 1220312013.

It is not a de Polignac number, because 3102130221 - 2¹⁹ = 3101605933 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3102130221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3102130223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111706 + ... + 136683.

It is an arithmetic number, because the mean of its divisors is an integer number (271241880).

Almost surely, 2^3102130221 is an apocalyptic number.

It is an amenable number.

3102130221 is a deficient number, since it is larger than the sum of its proper divisors (1237739859).

3102130221 is a wasteful number, since it uses less digits than its factorization.

3102130221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248596.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 3102130221 is about 55696.7702923608. The cubic root of 3102130221 is about 1458.4336458787.

Adding to 3102130221 its reverse (1220312013), we get a palindrome (4322442234).

The spelling of 3102130221 in words is "three billion, one hundred two million, one hundred thirty thousand, two hundred twenty-one".