3133214321 has 4 divisors (see below), whose sum is σ = 3133539444. Its totient is φ = 3132889200.

The previous prime is 3133214269. The next prime is 3133214347. The reversal of 3133214321 is 1234123313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1234123313 = 17 ⋅72595489.

It can be written as a sum of positive squares in 2 ways, for example, as 779023921 + 2354190400 = 27911^2 + 48520^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3133214321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3133214351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147650 + ... + 167531.

It is an arithmetic number, because the mean of its divisors is an integer number (783384861).

Almost surely, 2^3133214321 is an apocalyptic number.

It is an amenable number.

3133214321 is a deficient number, since it is larger than the sum of its proper divisors (325123).

3133214321 is an equidigital number, since it uses as much as digits as its factorization.

3133214321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325122.

The product of its digits is 1296, while the sum is 23.

The square root of 3133214321 is about 55975.1223401968. The cubic root of 3133214321 is about 1463.2887520845.

Adding to 3133214321 its reverse (1234123313), we get a palindrome (4367337634).

The spelling of 3133214321 in words is "three billion, one hundred thirty-three million, two hundred fourteen thousand, three hundred twenty-one".