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331102021113 = 3414779276587
BaseRepresentation
bin1001101000101110011…
…01111110010111111001
31011122122001212101220000
410310113031332113321
520411044104133423
6412034533223213
732631005512623
oct4642715762771
91148561771800
10331102021113
11118468506086
1254205491b09
13252b86015b6
141204da93c13
15892ce1c843
hex4d1737e5f9

331102021113 has 20 divisors (see below), whose sum is σ = 494644447440. Its totient is φ = 220718947032.

The previous prime is 331102021057. The next prime is 331102021193. The reversal of 331102021113 is 311120201133.

It is not a de Polignac number, because 331102021113 - 28 = 331102020857 is a prime.

It is a super-2 number, since 2×3311020211132 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (331102021193) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1058806 + ... + 1335392.

It is an arithmetic number, because the mean of its divisors is an integer number (24732222372).

Almost surely, 2331102021113 is an apocalyptic number.

It is an amenable number.

331102021113 is a deficient number, since it is larger than the sum of its proper divisors (163542426327).

331102021113 is a wasteful number, since it uses less digits than its factorization.

331102021113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291378 (or 291369 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 331102021113 its reverse (311120201133), we get a palindrome (642222222246).

The spelling of 331102021113 in words is "three hundred thirty-one billion, one hundred two million, twenty-one thousand, one hundred thirteen".

Divisors: 1 3 9 27 81 14779 44337 133011 276587 399033 829761 1197099 2489283 7467849 22403547 4087679273 12263037819 36789113457 110367340371 331102021113