120312319 has 4 divisors (see below), whose sum is σ = 120435696. Its totient is φ = 120188944.

The previous prime is 120312289. The next prime is 120312359. The reversal of 120312319 is 913213021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120312319 - 2²⁵ = 86757887 is a prime.

It is a super-2 number, since 2×120312319² = 28950108206315522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120312319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120312359) 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, 60214 + ... + 62179.

It is an arithmetic number, because the mean of its divisors is an integer number (30108924).

Almost surely, 2^120312319 is an apocalyptic number.

120312319 is a deficient number, since it is larger than the sum of its proper divisors (123377).

120312319 is an equidigital number, since it uses as much as digits as its factorization.

120312319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123376.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 120312319 is about 10968.6972334913. The cubic root of 120312319 is about 493.6699579913.

The spelling of 120312319 in words is "one hundred twenty million, three hundred twelve thousand, three hundred nineteen".