120311011013 has 2 divisors, whose sum is σ = 120311011014. Its totient is φ = 120311011012.

The previous prime is 120311010991. The next prime is 120311011031. The reversal of 120311011013 is 310110113021.

It is a happy number.

Together with next prime (120311011031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88718792449 + 31592218564 = 297857^2 + 177742^2 .

It is a cyclic number.

It is not a de Polignac number, because 120311011013 - 2¹⁶ = 120310945477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120311011813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60155505506 + 60155505507.

It is an arithmetic number, because the mean of its divisors is an integer number (60155505507).

Almost surely, 2^120311011013 is an apocalyptic number.

It is an amenable number.

120311011013 is a deficient number, since it is larger than the sum of its proper divisors (1).

120311011013 is an equidigital number, since it uses as much as digits as its factorization.

120311011013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 120311011013 its reverse (310110113021), we get a palindrome (430421124034).

The spelling of 120311011013 in words is "one hundred twenty billion, three hundred eleven million, eleven thousand, thirteen".