3142120243 has 2 divisors, whose sum is σ = 3142120244. Its totient is φ = 3142120242.

The previous prime is 3142120199. The next prime is 3142120249. The reversal of 3142120243 is 3420212413.

It is a strong prime.

It is an emirp because it is prime and its reverse (3420212413) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3142120243 is a prime.

It is not a weakly prime, because it can be changed into another prime (3142120249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1571060121 + 1571060122.

It is an arithmetic number, because the mean of its divisors is an integer number (1571060122).

Almost surely, 2^3142120243 is an apocalyptic number.

3142120243 is a deficient number, since it is larger than the sum of its proper divisors (1).

3142120243 is an equidigital number, since it uses as much as digits as its factorization.

3142120243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 3142120243 is about 56054.6183913511. The cubic root of 3142120243 is about 1464.6738693252.

Adding to 3142120243 its reverse (3420212413), we get a palindrome (6562332656).

The spelling of 3142120243 in words is "three billion, one hundred forty-two million, one hundred twenty thousand, two hundred forty-three".