1420242311 has 2 divisors, whose sum is σ = 1420242312. Its totient is φ = 1420242310.

The previous prime is 1420242301. The next prime is 1420242319. The reversal of 1420242311 is 1132420241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1420242311 - 2⁶ = 1420242247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1420242319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710121155 + 710121156.

It is an arithmetic number, because the mean of its divisors is an integer number (710121156).

Almost surely, 2^1420242311 is an apocalyptic number.

1420242311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420242311 is an equidigital number, since it uses as much as digits as its factorization.

1420242311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1420242311 is about 37686.1023588272. The cubic root of 1420242311 is about 1124.0547941589.

Adding to 1420242311 its reverse (1132420241), we get a palindrome (2552662552).

The spelling of 1420242311 in words is "one billion, four hundred twenty million, two hundred forty-two thousand, three hundred eleven".