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31001303132306 = 2133171541734581
BaseRepresentation
bin1110000110010000011011…
…01010010010100010010010
311001202200210010012011102122
413003020031222102202102
513030411132100213211
6145533445124214242
76346525122522623
oct703101552224222
9131680703164378
1031001303132306
1199726404635a1
12358831583a382
13143b54469b6a0
147926848cba4a
1538b635b4d6db
hex1c320da92892

31001303132306 has 32 divisors (see below), whose sum is σ = 52422572030976. Its totient is φ = 13651711416000.

The previous prime is 31001303132207. The next prime is 31001303132329. The reversal of 31001303132306 is 60323130310013.

It is a super-2 number, since 2×310013031323062 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 270810065 + ... + 270924516.

It is an arithmetic number, because the mean of its divisors is an integer number (1638205375968).

Almost surely, 231001303132306 is an apocalyptic number.

31001303132306 is a deficient number, since it is larger than the sum of its proper divisors (21421268898670).

31001303132306 is a wasteful number, since it uses less digits than its factorization.

31001303132306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541734698.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 31001303132306 its reverse (60323130310013), we get a palindrome (91324433442319).

The spelling of 31001303132306 in words is "thirty-one trillion, one billion, three hundred three million, one hundred thirty-two thousand, three hundred six".

Divisors: 1 2 13 26 31 62 71 142 403 806 923 1846 2201 4402 28613 57226 541734581 1083469162 7042549553 14085099106 16793772011 33587544022 38463155251 76926310502 218319036143 436638072286 500021018263 1000042036526 1192357812781 2384715625562 15500651566153 31001303132306