3130122221 has 16 divisors (see below), whose sum is σ = 3300393600. Its totient is φ = 2964241728.

The previous prime is 3130122217. The next prime is 3130122227. The reversal of 3130122221 is 1222210313.

It is not a de Polignac number, because 3130122221 - 2² = 3130122217 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3130122221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3130122227) 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, 858815 + ... + 862451.

It is an arithmetic number, because the mean of its divisors is an integer number (206274600).

Almost surely, 2^3130122221 is an apocalyptic number.

It is an amenable number.

3130122221 is a deficient number, since it is larger than the sum of its proper divisors (170271379).

3130122221 is a wasteful number, since it uses less digits than its factorization.

3130122221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4228.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 3130122221 is about 55947.4952164974. The cubic root of 3130122221 is about 1462.8072312006.

Adding to 3130122221 its reverse (1222210313), we get a palindrome (4352332534).

The spelling of 3130122221 in words is "three billion, one hundred thirty million, one hundred twenty-two thousand, two hundred twenty-one".