120003313 has 4 divisors (see below), whose sum is σ = 121647268. Its totient is φ = 118359360.

The previous prime is 120003307. The next prime is 120003319. The reversal of 120003313 is 313300021.

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

It is an interprime number because it is at equal distance from previous prime (120003307) and next prime (120003319).

It can be written as a sum of positive squares in 2 ways, for example, as 43125489 + 76877824 = 6567^2 + 8768^2 .

It is a cyclic number.

It is not a de Polignac number, because 120003313 - 2⁵ = 120003281 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120003293 and 120003302.

It is not an unprimeable number, because it can be changed into a prime (120003319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 821868 + ... + 822013.

It is an arithmetic number, because the mean of its divisors is an integer number (30411817).

Almost surely, 2^120003313 is an apocalyptic number.

It is an amenable number.

120003313 is a deficient number, since it is larger than the sum of its proper divisors (1643955).

120003313 is an equidigital number, since it uses as much as digits as its factorization.

120003313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1643954.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 120003313 is about 10954.6023661290. The cubic root of 120003313 is about 493.2469540247.

Adding to 120003313 its reverse (313300021), we get a palindrome (433303334).

The spelling of 120003313 in words is "one hundred twenty million, three thousand, three hundred thirteen".