4131321321 has 8 divisors (see below), whose sum is σ = 5657305024. Its totient is φ = 2679775920.

The previous prime is 4131321301. The next prime is 4131321343. The reversal of 4131321321 is 1231231314.

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

It is a de Polignac number, because none of the positive numbers 2^k-4131321321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4131321301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18609445 + ... + 18609666.

It is an arithmetic number, because the mean of its divisors is an integer number (707163128).

Almost surely, 2^4131321321 is an apocalyptic number.

It is an amenable number.

4131321321 is a deficient number, since it is larger than the sum of its proper divisors (1525983703).

4131321321 is a wasteful number, since it uses less digits than its factorization.

4131321321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37219151.

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

The square root of 4131321321 is about 64275.3554715958. The cubic root of 4131321321 is about 1604.5859733107.

Adding to 4131321321 its reverse (1231231314), we get a palindrome (5362552635).

The spelling of 4131321321 in words is "four billion, one hundred thirty-one million, three hundred twenty-one thousand, three hundred twenty-one".