3221312130 has 48 divisors (see below), whose sum is σ = 8601782904. Its totient is φ = 835799040.

The previous prime is 3221312123. The next prime is 3221312153. The reversal of 3221312130 is 312131223.

3221312130 is a `hidden beast` number, since 3 + 221 + 312 + 130 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2772338409 + 448973721 = 52653^2 + 21189^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 480351 + ... + 487010.

Almost surely, 2^3221312130 is an apocalyptic number.

3221312130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3221312130 is an abundant number, since it is smaller than the sum of its proper divisors (5380470774).

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

3221312130 is a wasteful number, since it uses less digits than its factorization.

3221312130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967411 (or 967408 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 3221312130 is about 56756.6042853164. The cubic root of 3221312130 is about 1476.8768034944.

Adding to 3221312130 its reverse (312131223), we get a palindrome (3533443353).

The spelling of 3221312130 in words is "three billion, two hundred twenty-one million, three hundred twelve thousand, one hundred thirty".