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331021103113 = 29173112958441
BaseRepresentation
bin1001101000100100110…
…01010011000000001001
31011122102102121100021001
410310102121103000021
520410412400244423
6412022523015001
732626003644241
oct4642231230011
91148372540231
10331021103113
111184268681a8
12541a236a461
13252a490c41c
141204302cb21
158925c86cad
hex4d12653009

331021103113 has 16 divisors (see below), whose sum is σ = 344725981200. Its totient is φ = 317472261120.

The previous prime is 331021103087. The next prime is 331021103177. The reversal of 331021103113 is 311301120133.

It can be written as a sum of positive squares in 8 ways, for example, as 25253023744 + 305768079369 = 158912^2 + 552963^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-331021103113 is a prime.

It is a super-2 number, since 2×3310211031132 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (331021103513) 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, 5634973 + ... + 5693413.

It is an arithmetic number, because the mean of its divisors is an integer number (21545373825).

Almost surely, 2331021103113 is an apocalyptic number.

It is an amenable number.

331021103113 is a deficient number, since it is larger than the sum of its proper divisors (13704878087).

331021103113 is a wasteful number, since it uses less digits than its factorization.

331021103113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59772.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 331021103113 its reverse (311301120133), we get a palindrome (642322223246).

The spelling of 331021103113 in words is "three hundred thirty-one billion, twenty-one million, one hundred three thousand, one hundred thirteen".

Divisors: 1 29 173 1129 5017 32741 58441 195317 1694789 5664193 10110293 65979889 293198497 1913416781 11414520797 331021103113