120403031011 has 2 divisors, whose sum is σ = 120403031012. Its totient is φ = 120403031010.

The previous prime is 120403030987. The next prime is 120403031071. The reversal of 120403031011 is 110130304021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120403031011 - 2³³ = 111813096419 is a prime.

It is not a weakly prime, because it can be changed into another prime (120403031071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60201515505 + 60201515506.

It is an arithmetic number, because the mean of its divisors is an integer number (60201515506).

Almost surely, 2^120403031011 is an apocalyptic number.

120403031011 is a deficient number, since it is larger than the sum of its proper divisors (1).

120403031011 is an equidigital number, since it uses as much as digits as its factorization.

120403031011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 120403031011 its reverse (110130304021), we get a palindrome (230533335032).

The spelling of 120403031011 in words is "one hundred twenty billion, four hundred three million, thirty-one thousand, eleven".