3141231321 has 8 divisors (see below), whose sum is σ = 4434679584. Its totient is φ = 1970968640.

The previous prime is 3141231311. The next prime is 3141231337. The reversal of 3141231321 is 1231321413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3141231321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3141231311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30796335 + ... + 30796436.

It is an arithmetic number, because the mean of its divisors is an integer number (554334948).

Almost surely, 2^3141231321 is an apocalyptic number.

It is an amenable number.

3141231321 is a deficient number, since it is larger than the sum of its proper divisors (1293448263).

3141231321 is a wasteful number, since it uses less digits than its factorization.

3141231321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61592791.

The product of its digits is 432, while the sum is 21.

The square root of 3141231321 is about 56046.6887603541. The cubic root of 3141231321 is about 1464.5357350376.

Adding to 3141231321 its reverse (1231321413), we get a palindrome (4372552734).

The spelling of 3141231321 in words is "three billion, one hundred forty-one million, two hundred thirty-one thousand, three hundred twenty-one".