3221231130 has 48 divisors (see below), whose sum is σ = 9019450440. Its totient is φ = 792918144.

The previous prime is 3221231129. The next prime is 3221231131. The reversal of 3221231130 is 311321223.

3221231130 is a `hidden beast` number, since 322 + 1 + 2 + 311 + 30 = 666.

It is an interprime number because it is at equal distance from previous prime (3221231129) and next prime (3221231131).

It can be written as a sum of positive squares in 4 ways, for example, as 2929948641 + 291282489 = 54129^2 + 17067^2 .

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

It is not an unprimeable number, because it can be changed into a prime (3221231131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1375425 + ... + 1377764.

Almost surely, 2^3221231130 is an apocalyptic number.

3221231130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3221231130 is an abundant number, since it is smaller than the sum of its proper divisors (5798219310).

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

3221231130 is a wasteful number, since it uses less digits than its factorization.

3221231130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2753215 (or 2753212 counting only the distinct ones).

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

The square root of 3221231130 is about 56755.8907074852. The cubic root of 3221231130 is about 1476.8644246853.

Adding to 3221231130 its reverse (311321223), we get a palindrome (3532552353).

The spelling of 3221231130 in words is "three billion, two hundred twenty-one million, two hundred thirty-one thousand, one hundred thirty".