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311313330313 = 4347532906401
BaseRepresentation
bin1001000011110111011…
…10000111000010001001
31002202112221221202100221
410201323232013002021
520100032203032223
6355003153030041
731330430434546
oct4417356070211
91082487852327
10311313330313
11110033293867
1250402255321
13234839406bb
14110d3895bcd
1581709e1b5d
hex487bb87089

311313330313 has 16 divisors (see below), whose sum is σ = 331469335296. Its totient is φ = 291988569600.

The previous prime is 311313330271. The next prime is 311313330319. The reversal of 311313330313 is 313033313113.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-311313330313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311313330319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1346088 + ... + 1560313.

It is an arithmetic number, because the mean of its divisors is an integer number (20716833456).

Almost surely, 2311313330313 is an apocalyptic number.

It is an amenable number.

311313330313 is a deficient number, since it is larger than the sum of its proper divisors (20156004983).

311313330313 is a wasteful number, since it uses less digits than its factorization.

311313330313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2906544.

The product of its (nonzero) digits is 2187, while the sum is 25.

Adding to 311313330313 its reverse (313033313113), we get a palindrome (624346643426).

The spelling of 311313330313 in words is "three hundred eleven billion, three hundred thirteen million, three hundred thirty thousand, three hundred thirteen".

Divisors: 1 43 47 53 2021 2279 2491 107113 2906401 124975243 136600847 154039253 5873836421 6623687879 7239844891 311313330313