3140368321 has 2 divisors, whose sum is σ = 3140368322. Its totient is φ = 3140368320.

The previous prime is 3140368289. The next prime is 3140368337. The reversal of 3140368321 is 1238630413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1930372096 + 1209996225 = 43936^2 + 34785^2 .

It is an emirp because it is prime and its reverse (1238630413) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3140368321 - 2⁵ = 3140368289 is a prime.

It is not a weakly prime, because it can be changed into another prime (3140368381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1570184160 + 1570184161.

It is an arithmetic number, because the mean of its divisors is an integer number (1570184161).

Almost surely, 2^3140368321 is an apocalyptic number.

It is an amenable number.

3140368321 is a deficient number, since it is larger than the sum of its proper divisors (1).

3140368321 is an equidigital number, since it uses as much as digits as its factorization.

3140368321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 3140368321 is about 56038.9892931698. The cubic root of 3140368321 is about 1464.4016039732.

Adding to 3140368321 its reverse (1238630413), we get a palindrome (4378998734).

The spelling of 3140368321 in words is "three billion, one hundred forty million, three hundred sixty-eight thousand, three hundred twenty-one".