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31110220312132 = 22131987735904307
BaseRepresentation
bin1110001001011011010011…
…01000010110111001000100
311002011002220202002011202211
413010231221220112321010
513034202212344442012
6150055500553313204
76360432155342143
oct704555150267104
9132132822064684
1031110220312132
119a048523628a5
1235a5451a05804
1314488b17514a0
14797a57d6575a
1538e3acb556a7
hex1c4b69a16e44

31110220312132 has 48 divisors (see below), whose sum is σ = 61787005551040. Its totient is φ = 13587338328192.

The previous prime is 31110220312091. The next prime is 31110220312147. The reversal of 31110220312132 is 23121302201113.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17085678 + ... + 18818629.

Almost surely, 231110220312132 is an apocalyptic number.

It is an amenable number.

31110220312132 is a deficient number, since it is larger than the sum of its proper divisors (30676785238908).

31110220312132 is a wasteful number, since it uses less digits than its factorization.

31110220312132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35905220 (or 35905218 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 31110220312132 its reverse (23121302201113), we get a palindrome (54231522513245).

The spelling of 31110220312132 in words is "thirty-one trillion, one hundred ten billion, two hundred twenty million, three hundred twelve thousand, one hundred thirty-two".

Divisors: 1 2 4 13 19 26 38 52 76 247 494 877 988 1754 3508 11401 16663 22802 33326 45604 66652 216619 433238 866476 35904307 71808614 143617228 466755991 682181833 933511982 1364363666 1867023964 2728727332 8868363829 17736727658 31488077239 35473455316 62976154478 125952308956 409345004107 598273467541 818690008214 1196546935082 1637380016428 2393093870164 7777555078033 15555110156066 31110220312132