120340313 has 4 divisors (see below), whose sum is σ = 120387600. Its totient is φ = 120293028.

The previous prime is 120340309. The next prime is 120340321. The reversal of 120340313 is 313043021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120340313 - 2² = 120340309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120340291 and 120340300.

It is not an unprimeable number, because it can be changed into a prime (120340303) 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, 19595 + ... + 24992.

It is an arithmetic number, because the mean of its divisors is an integer number (30096900).

Almost surely, 2^120340313 is an apocalyptic number.

It is an amenable number.

120340313 is a deficient number, since it is larger than the sum of its proper divisors (47287).

120340313 is an equidigital number, since it uses as much as digits as its factorization.

120340313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47286.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 120340313 is about 10969.9732451816. The cubic root of 120340313 is about 493.7082436941.

Adding to 120340313 its reverse (313043021), we get a palindrome (433383334).

The spelling of 120340313 in words is "one hundred twenty million, three hundred forty thousand, three hundred thirteen".