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31110113020203 = 32716316361185167
BaseRepresentation
bin1110001001011011000110…
…01111000100100100101011
311002011002122021012011220200
413010231203033010210223
513034202002413121303
6150055442201523243
76360426413356530
oct704554317044453
9132132567164820
1031110113020203
119a047a7840888
1235a5421aa3523
131448895456939
14797a479d6d87
1538e3a35103a3
hex1c4b633c492b

31110113020203 has 48 divisors (see below), whose sum is σ = 51674884125696. Its totient is φ = 17666969512320.

The previous prime is 31110113020193. The next prime is 31110113020211. The reversal of 31110113020203 is 30202031101113.

31110113020203 is a `hidden beast` number, since 311 + 1 + 0 + 1 + 130 + 20 + 203 = 666.

It is not a de Polignac number, because 31110113020203 - 212 = 31110113016107 is a prime.

It is a super-2 number, since 2×311101130202032 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31110113020223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 167918526 + ... + 168103692.

It is an arithmetic number, because the mean of its divisors is an integer number (1076560085952).

Almost surely, 231110113020203 is an apocalyptic number.

31110113020203 is a deficient number, since it is larger than the sum of its proper divisors (20564771105493).

31110113020203 is a wasteful number, since it uses less digits than its factorization.

31110113020203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201704 (or 201701 counting only the distinct ones).

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

Adding to 31110113020203 its reverse (30202031101113), we get a palindrome (61312144121316).

The spelling of 31110113020203 in words is "thirty-one trillion, one hundred ten billion, one hundred thirteen million, twenty thousand, two hundred three".

Divisors: 1 3 7 9 21 63 163 489 1141 1467 3423 10269 16361 49083 114527 147249 185167 343581 555501 1030743 1296169 1666503 2666843 3888507 8000529 11665521 18667901 24001587 30182221 56003703 90546663 168011109 211275547 271639989 633826641 1901479923 3029517287 9088551861 21206621009 27265655583 63619863027 190859589081 493811317781 1481433953343 3456679224467 4444301860029 10370037673401 31110113020203