3102130321 has 8 divisors (see below), whose sum is σ = 3127921664. Its totient is φ = 3076360560.

The previous prime is 3102130303. The next prime is 3102130349. The reversal of 3102130321 is 1230312013.

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

It is a cyclic number.

It is not a de Polignac number, because 3102130321 - 2⁷ = 3102130193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3102130295 and 3102130304.

It is not an unprimeable number, because it can be changed into a prime (3102130021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 419371 + ... + 426703.

It is an arithmetic number, because the mean of its divisors is an integer number (390990208).

Almost surely, 2^3102130321 is an apocalyptic number.

It is an amenable number.

3102130321 is a deficient number, since it is larger than the sum of its proper divisors (25791343).

3102130321 is a wasteful number, since it uses less digits than its factorization.

3102130321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10791.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 3102130321 is about 55696.7711900789. The cubic root of 3102130321 is about 1458.4336615500.

Adding to 3102130321 its reverse (1230312013), we get a palindrome (4332442334).

The spelling of 3102130321 in words is "three billion, one hundred two million, one hundred thirty thousand, three hundred twenty-one".