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31430031010001 = 13167179523154643
BaseRepresentation
bin1110010010101110111111…
…10101010110100011010001
311010021200101220022221001122
413021113133311112203101
513104422200414310001
6150502431254412025
76422513316411251
oct711273765264321
9133250356287048
1031430031010001
11a018446142678
123637425961015
13146caba977b10
147a9316193961
1539787963ab1b
hex1c95dfd568d1

31430031010001 has 32 divisors (see below), whose sum is σ = 34306323932160. Its totient is φ = 28622482415424.

The previous prime is 31430031009989. The next prime is 31430031010019. The reversal of 31430031010001 is 10001013003413.

It is not a de Polignac number, because 31430031010001 - 210 = 31430031008977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31430031010051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 203165186 + ... + 203319828.

It is an arithmetic number, because the mean of its divisors is an integer number (1072072622880).

Almost surely, 231430031010001 is an apocalyptic number.

It is an amenable number.

31430031010001 is a deficient number, since it is larger than the sum of its proper divisors (2876292922159).

31430031010001 is a wasteful number, since it uses less digits than its factorization.

31430031010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155525.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 31430031010001 its reverse (10001013003413), we get a palindrome (41431044013414).

The spelling of 31430031010001 in words is "thirty-one trillion, four hundred thirty billion, thirty-one million, ten thousand, one".

Divisors: 1 13 167 179 523 2171 2327 6799 29893 87341 93617 154643 388609 1135433 1217021 2010359 15634039 25825381 27681097 80878289 203242507 335729953 359854261 1051417757 4622743199 13506674263 14477213731 60095661587 175586765419 188203778503 2417694693077 31430031010001