311022220113 has 24 divisors (see below), whose sum is σ = 503341453056. Its totient is φ = 183403764000.

The previous prime is 311022220049. The next prime is 311022220183.

311022220113 is a `hidden beast` number, since 311 + 0 + 22 + 220 + 113 = 666.

311022220113 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 311022220113 - 2⁶ = 311022220049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (311022220183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42450913 + ... + 42458238.

It is an arithmetic number, because the mean of its divisors is an integer number (20972560544).

Almost surely, 2^311022220113 is an apocalyptic number.

311022220113 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

311022220113 is a deficient number, since it is larger than the sum of its proper divisors (192319232943).

311022220113 is a wasteful number, since it uses less digits than its factorization.

311022220113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84909205 (or 84909202 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

It can be divided in two parts, 311022 and 220113, that added together give a palindrome (531135).

The spelling of 311022220113 in words is "three hundred eleven billion, twenty-two million, two hundred twenty thousand, one hundred thirteen".