120303311 has 2 divisors, whose sum is σ = 120303312. Its totient is φ = 120303310.

The previous prime is 120303299. The next prime is 120303329. The reversal of 120303311 is 113303021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120303311 - 2⁶ = 120303247 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120303331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60151655 + 60151656.

It is an arithmetic number, because the mean of its divisors is an integer number (60151656).

Almost surely, 2^120303311 is an apocalyptic number.

120303311 is a deficient number, since it is larger than the sum of its proper divisors (1).

120303311 is an equidigital number, since it uses as much as digits as its factorization.

120303311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 120303311 is about 10968.2866027470. The cubic root of 120303311 is about 493.6576370308.

Adding to 120303311 its reverse (113303021), we get a palindrome (233606332).

The spelling of 120303311 in words is "one hundred twenty million, three hundred three thousand, three hundred eleven".