120000311 has 2 divisors, whose sum is σ = 120000312. Its totient is φ = 120000310.

The previous prime is 120000301. The next prime is 120000319. The reversal of 120000311 is 113000021.

It is an a-pointer prime, because the next prime (120000319) can be obtained adding 120000311 to its sum of digits (8).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120000311 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 (120000319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60000155 + 60000156.

It is an arithmetic number, because the mean of its divisors is an integer number (60000156).

Almost surely, 2^120000311 is an apocalyptic number.

120000311 is a deficient number, since it is larger than the sum of its proper divisors (1).

120000311 is an equidigital number, since it uses as much as digits as its factorization.

120000311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 120000311 is about 10954.4653452371. The cubic root of 120000311 is about 493.2428409724.

Adding to 120000311 its reverse (113000021), we get a palindrome (233000332).

The spelling of 120000311 in words is "one hundred twenty million, three hundred eleven", and thus it is an aban number.