120343313 has 4 divisors (see below), whose sum is σ = 120421488. Its totient is φ = 120265140.

The previous prime is 120343297. The next prime is 120343339. The reversal of 120343313 is 313343021.

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, and also an emirpimes, since its reverse is a distinct semiprime: 313343021 = 43 ⋅7287047.

It is a cyclic number.

It is not a de Polignac number, because 120343313 - 2⁴ = 120343297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (120343343) 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, 36731 + ... + 39872.

It is an arithmetic number, because the mean of its divisors is an integer number (30105372).

Almost surely, 2^120343313 is an apocalyptic number.

It is an amenable number.

120343313 is a deficient number, since it is larger than the sum of its proper divisors (78175).

120343313 is an equidigital number, since it uses as much as digits as its factorization.

120343313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78174.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 120343313 is about 10970.1099812171. The cubic root of 120343313 is about 493.7123462607.

Adding to 120343313 its reverse (313343021), we get a palindrome (433686334).

The spelling of 120343313 in words is "one hundred twenty million, three hundred forty-three thousand, three hundred thirteen".