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31033110202212 = 2232586092516851
BaseRepresentation
bin1110000111001011101011…
…00000101000011101100100
311001212201212210210201200210
413003211311200220131210
513031421302202432322
6150000225232135420
76352032254253066
oct703456540503544
9131781783721623
1031033110202212
11998508274aa28
123592511997570
13144154325a801
14794020d2d736
1538c39822a70c
hex1c3975828764

31033110202212 has 12 divisors (see below), whose sum is σ = 72410590471856. Its totient is φ = 10344370067400.

The previous prime is 31033110202183. The next prime is 31033110202247. The reversal of 31033110202212 is 21220201133013.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1293046258414 + ... + 1293046258437.

Almost surely, 231033110202212 is an apocalyptic number.

It is an amenable number.

31033110202212 is an abundant number, since it is smaller than the sum of its proper divisors (41377480269644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31033110202212 is a wasteful number, since it uses less digits than its factorization.

31033110202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2586092516858 (or 2586092516856 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 31033110202212 its reverse (21220201133013), we get a palindrome (52253311335225).

The spelling of 31033110202212 in words is "thirty-one trillion, thirty-three billion, one hundred ten million, two hundred two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 2586092516851 5172185033702 7758277550553 10344370067404 15516555101106 31033110202212