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311113013311 = 7950321613623
BaseRepresentation
bin1001000011011111100…
…01111101100000111111
31002202001000000121002201
410201233301331200333
520044124412411221
6354531235332331
731322445660142
oct4415761754077
91082030017081
10311113013311
1110aa40204721
12503671510a7
13234512a5029
14110b5030059
15815d123891
hex486fc7d83f

311113013311 has 16 divisors (see below), whose sum is σ = 315910748160. Its totient is φ = 306337749120.

The previous prime is 311113013297. The next prime is 311113013383. The reversal of 311113013311 is 113310311113.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-311113013311 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 (311113013611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85869846 + ... + 85873468.

It is an arithmetic number, because the mean of its divisors is an integer number (19744421760).

Almost surely, 2311113013311 is an apocalyptic number.

311113013311 is a deficient number, since it is larger than the sum of its proper divisors (4797734849).

311113013311 is a wasteful number, since it uses less digits than its factorization.

311113013311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6366.

The product of its (nonzero) digits is 81, while the sum is 19.

Adding to 311113013311 its reverse (113310311113), we get a palindrome (424423324424).

The spelling of 311113013311 in words is "three hundred eleven billion, one hundred thirteen million, thirteen thousand, three hundred eleven".

Divisors: 1 79 503 2161 3623 39737 170719 286217 1086983 1822369 7829303 85871657 143967151 618514937 3938139409 311113013311