3140002321 has 2 divisors, whose sum is σ = 3140002322. Its totient is φ = 3140002320.

The previous prime is 3140002291. The next prime is 3140002337. The reversal of 3140002321 is 1232000413.

It is a happy number.

It is an a-pointer prime, because the next prime (3140002337) can be obtained adding 3140002321 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3038214400 + 101787921 = 55120^2 + 10089^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3140002321 is a prime.

It is a super-2 number, since 2×3140002321² = 19719229151770774082, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3140002295 and 3140002304.

It is not a weakly prime, because it can be changed into another prime (3140002381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1570001160 + 1570001161.

It is an arithmetic number, because the mean of its divisors is an integer number (1570001161).

Almost surely, 2^3140002321 is an apocalyptic number.

It is an amenable number.

3140002321 is a deficient number, since it is larger than the sum of its proper divisors (1).

3140002321 is an equidigital number, since it uses as much as digits as its factorization.

3140002321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 3140002321 is about 56035.7236144944. The cubic root of 3140002321 is about 1464.3447113038.

Adding to 3140002321 its reverse (1232000413), we get a palindrome (4372002734).

The spelling of 3140002321 in words is "three billion, one hundred forty million, two thousand, three hundred twenty-one".