3130222121 has 16 divisors (see below), whose sum is σ = 3656369808. Its totient is φ = 2653132800.

The previous prime is 3130222093. The next prime is 3130222129. The reversal of 3130222121 is 1212220313.

3130222121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 1297440400 + 1832781721 = 36020^2 + 42811^2 .

It is a cyclic number.

It is not a de Polignac number, because 3130222121 - 2⁶ = 3130222057 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 3130222121.

It is not an unprimeable number, because it can be changed into a prime (3130222129) 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, 163670 + ... + 181791.

It is an arithmetic number, because the mean of its divisors is an integer number (228523113).

Almost surely, 2^3130222121 is an apocalyptic number.

It is an amenable number.

3130222121 is a deficient number, since it is larger than the sum of its proper divisors (526147687).

3130222121 is a wasteful number, since it uses less digits than its factorization.

3130222121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345532.

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

The square root of 3130222121 is about 55948.3880107372. The cubic root of 3130222121 is about 1462.8227932008.

Adding to 3130222121 its reverse (1212220313), we get a palindrome (4342442434).

The spelling of 3130222121 in words is "three billion, one hundred thirty million, two hundred twenty-two thousand, one hundred twenty-one".