3142323221 has 2 divisors, whose sum is σ = 3142323222. Its totient is φ = 3142323220.

The previous prime is 3142323193. The next prime is 3142323263. The reversal of 3142323221 is 1223232413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2653692196 + 488631025 = 51514^2 + 22105^2 .

It is a cyclic number.

It is not a de Polignac number, because 3142323221 - 2¹⁴ = 3142306837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3142323521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1571161610 + 1571161611.

It is an arithmetic number, because the mean of its divisors is an integer number (1571161611).

Almost surely, 2^3142323221 is an apocalyptic number.

It is an amenable number.

3142323221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3142323221 is an equidigital number, since it uses as much as digits as its factorization.

3142323221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 23.

The square root of 3142323221 is about 56056.4288998149. The cubic root of 3142323221 is about 1464.7054074956.

Adding to 3142323221 its reverse (1223232413), we get a palindrome (4365555634).

The spelling of 3142323221 in words is "three billion, one hundred forty-two million, three hundred twenty-three thousand, two hundred twenty-one".