120311350530 has 32 divisors (see below), whose sum is σ = 329996847744. Its totient is φ = 27499737216.

The previous prime is 120311350513. The next prime is 120311350531. The reversal of 120311350530 is 35053113021.

It is a super-3 number, since 3×120311350530³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 120311350530.

It is not an unprimeable number, because it can be changed into a prime (120311350531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286455387 + ... + 286455806.

It is an arithmetic number, because the mean of its divisors is an integer number (10312401492).

Almost surely, 2^120311350530 is an apocalyptic number.

120311350530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120311350530 is an abundant number, since it is smaller than the sum of its proper divisors (209685497214).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120311350530 is a wasteful number, since it uses less digits than its factorization.

120311350530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572911210.

The product of its (nonzero) digits is 1350, while the sum is 24.

Adding to 120311350530 its reverse (35053113021), we get a palindrome (155364463551).

The spelling of 120311350530 in words is "one hundred twenty billion, three hundred eleven million, three hundred fifty thousand, five hundred thirty".