120311131133 has 4 divisors (see below), whose sum is σ = 120574394460. Its totient is φ = 120047867808.

The previous prime is 120311131121. The next prime is 120311131139. The reversal of 120311131133 is 331131113021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 331131113021 = 10993 ⋅30121997.

It can be written as a sum of positive squares in 2 ways, for example, as 102069387289 + 18241743844 = 319483^2 + 135062^2 .

It is a cyclic number.

It is not a de Polignac number, because 120311131133 - 2²⁸ = 120042695677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120311131139) 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, 131630978 + ... + 131631891.

It is an arithmetic number, because the mean of its divisors is an integer number (30143598615).

Almost surely, 2^120311131133 is an apocalyptic number.

It is an amenable number.

120311131133 is a deficient number, since it is larger than the sum of its proper divisors (263263327).

120311131133 is an equidigital number, since it uses as much as digits as its factorization.

120311131133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263263326.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 120311131133 its reverse (331131113021), we get a palindrome (451442244154).

The spelling of 120311131133 in words is "one hundred twenty billion, three hundred eleven million, one hundred thirty-one thousand, one hundred thirty-three".