120320003311 has 4 divisors (see below), whose sum is σ = 120754371832. Its totient is φ = 119885634792.

The previous prime is 120320003239. The next prime is 120320003329. The reversal of 120320003311 is 113300023021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113300023021 = 12379 ⋅9152599.

It is a cyclic number.

It is not a de Polignac number, because 120320003311 - 2⁹ = 120320002799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120320003711) 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, 217183845 + ... + 217184398.

It is an arithmetic number, because the mean of its divisors is an integer number (30188592958).

Almost surely, 2^120320003311 is an apocalyptic number.

120320003311 is a deficient number, since it is larger than the sum of its proper divisors (434368521).

120320003311 is an equidigital number, since it uses as much as digits as its factorization.

120320003311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434368520.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 120320003311 its reverse (113300023021), we get a palindrome (233620026332).

The spelling of 120320003311 in words is "one hundred twenty billion, three hundred twenty million, three thousand, three hundred eleven".