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3031021321031 = 11192337151112859
BaseRepresentation
bin101100000110110110111…
…100101111101101000111
3101201202121002100122220002
4230012312330233231013
5344130012424233111
610240233150031515
7431661351064214
oct54066674575507
911652532318802
103031021321031
11a694a3576380
1240b522aa859b
1318ca93688972
14a69b8c3cb0b
1553c9cd6163b
hex2c1b6f2fb47

3031021321031 has 64 divisors (see below), whose sum is σ = 3754825113600. Its totient is φ = 2413355472000.

The previous prime is 3031021321021. The next prime is 3031021321039. The reversal of 3031021321031 is 1301231201303.

It is not a de Polignac number, because 3031021321031 - 26 = 3031021320967 is a prime.

It is a super-2 number, since 2×30310213210312 (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3031021320994 and 3031021321012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3031021321039) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26800280 + ... + 26913138.

It is an arithmetic number, because the mean of its divisors is an integer number (58669142400).

Almost surely, 23031021321031 is an apocalyptic number.

3031021321031 is a deficient number, since it is larger than the sum of its proper divisors (723803792569).

3031021321031 is a wasteful number, since it uses less digits than its factorization.

3031021321031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113100.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 3031021321031 its reverse (1301231201303), we get a palindrome (4332252522334).

The spelling of 3031021321031 in words is "three trillion, thirty-one billion, twenty-one million, three hundred twenty-one thousand, thirty-one".

Divisors: 1 11 19 23 37 151 209 253 407 437 703 851 1661 2869 3473 4807 5587 7733 9361 16169 31559 38203 61457 65987 106153 112859 128501 177859 725857 1167683 1241449 1413511 2144321 2441519 2595757 4175783 17041709 23587531 26856709 28553327 45933613 49319383 79339877 96043009 187458799 323792471 391959307 542513213 630543233 872738647 1056473099 1824817171 3561717181 4311552377 6935975563 7447226833 11980321427 14502494359 20072988881 81919495163 131783535697 159527437949 275547392821 3031021321031