120311302013 has 4 divisors (see below), whose sum is σ = 137498630880. Its totient is φ = 103123973148.

The previous prime is 120311302003. The next prime is 120311302019. The reversal of 120311302013 is 310203113021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 120311302013 - 2⁶ = 120311301949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120311301982 and 120311302000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120311302019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8593664423 + ... + 8593664436.

It is an arithmetic number, because the mean of its divisors is an integer number (34374657720).

Almost surely, 2^120311302013 is an apocalyptic number.

It is an amenable number.

120311302013 is a deficient number, since it is larger than the sum of its proper divisors (17187328867).

120311302013 is an equidigital number, since it uses as much as digits as its factorization.

120311302013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17187328866.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 120311302013 its reverse (310203113021), we get a palindrome (430514415034).

The spelling of 120311302013 in words is "one hundred twenty billion, three hundred eleven million, three hundred two thousand, thirteen".