311122303013 has 8 divisors (see below), whose sum is σ = 321343881216. Its totient is φ = 300912310800.

The previous prime is 311122303001. The next prime is 311122303027. The reversal of 311122303013 is 310303221113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 311122303013 - 2¹⁸ = 311122040869 is a prime.

It is a super-2 number, since 2×311122303013² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311122303073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2841893 + ... + 2949338.

It is an arithmetic number, because the mean of its divisors is an integer number (40167985152).

Almost surely, 2^311122303013 is an apocalyptic number.

It is an amenable number.

311122303013 is a deficient number, since it is larger than the sum of its proper divisors (10221578203).

311122303013 is a wasteful number, since it uses less digits than its factorization.

311122303013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5792995.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 311122303013 its reverse (310303221113), we get a palindrome (621425524126).

The spelling of 311122303013 in words is "three hundred eleven billion, one hundred twenty-two million, three hundred three thousand, thirteen".