311103003303121 has 4 divisors (see below), whose sum is σ = 311104795059712. Its totient is φ = 311101211546532.

The previous prime is 311103003303089. The next prime is 311103003303143. The reversal of 311103003303121 is 121303300301113.

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 311103003303121 - 2⁵ = 311103003303089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 311103003303092 and 311103003303101.

It is not an unprimeable number, because it can be changed into a prime (311103003303151) 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, 895617825 + ... + 895965118.

It is an arithmetic number, because the mean of its divisors is an integer number (77776198764928).

Almost surely, 2^{311103003303121} is an apocalyptic number.

It is an amenable number.

311103003303121 is a deficient number, since it is larger than the sum of its proper divisors (1791756591).

311103003303121 is a wasteful number, since it uses less digits than its factorization.

311103003303121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1791756590.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 311103003303121 its reverse (121303300301113), we get a palindrome (432406303604234).

The spelling of 311103003303121 in words is "three hundred eleven trillion, one hundred three billion, three million, three hundred three thousand, one hundred twenty-one".