120311312311 has 2 divisors, whose sum is σ = 120311312312. Its totient is φ = 120311312310.

The previous prime is 120311312269. The next prime is 120311312351. The reversal of 120311312311 is 113213113021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120311312311 - 2¹¹ = 120311310263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120311312351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60155656155 + 60155656156.

It is an arithmetic number, because the mean of its divisors is an integer number (60155656156).

Almost surely, 2^120311312311 is an apocalyptic number.

120311312311 is a deficient number, since it is larger than the sum of its proper divisors (1).

120311312311 is an equidigital number, since it uses as much as digits as its factorization.

120311312311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 120311312311 its reverse (113213113021), we get a palindrome (233524425332).

The spelling of 120311312311 in words is "one hundred twenty billion, three hundred eleven million, three hundred twelve thousand, three hundred eleven".