3121304226 has 16 divisors (see below), whose sum is σ = 6312751200. Its totient is φ = 1028744288.

The previous prime is 3121304203. The next prime is 3121304243. The reversal of 3121304226 is 6224031213.

It is a junction number, because it is equal to n+sod(n) for n = 3121304196 and 3121304205.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2922036 + ... + 2923103.

It is an arithmetic number, because the mean of its divisors is an integer number (394546950).

Almost surely, 2^3121304226 is an apocalyptic number.

3121304226 is an abundant number, since it is smaller than the sum of its proper divisors (3191446974).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3121304226 is a wasteful number, since it uses less digits than its factorization.

3121304226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5845233.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 3121304226 is about 55868.6336507346. The cubic root of 3121304226 is about 1461.4322946194.

Adding to 3121304226 its reverse (6224031213), we get a palindrome (9345335439).

The spelling of 3121304226 in words is "three billion, one hundred twenty-one million, three hundred four thousand, two hundred twenty-six".