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31345232143419 = 3217292748132563
BaseRepresentation
bin1110010000010001000010…
…11011010110010000111011
311002222120112010022011200100
413020020201123112100323
513102030013412042134
6150355444552410443
76413422034060055
oct710104133262073
9132876463264610
1031345232143419
119a95490416057
123622aba9a6a23
131464ac557759c
147a518dd528d5
15395564be5999
hex1c82216d643b

31345232143419 has 72 divisors (see below), whose sum is σ = 49658027236272. Its totient is φ = 18986282219520.

The previous prime is 31345232143411. The next prime is 31345232143471. The reversal of 31345232143419 is 91434123254313.

31345232143419 is a `hidden beast` number, since 3 + 13 + 4 + 5 + 2 + 3 + 214 + 3 + 419 = 666.

It is not a de Polignac number, because 31345232143419 - 23 = 31345232143411 is a prime.

It is a super-2 number, since 2×313452321434192 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31345232143411) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 962586432 + ... + 962618994.

It is an arithmetic number, because the mean of its divisors is an integer number (689694822726).

Almost surely, 231345232143419 is an apocalyptic number.

31345232143419 is a deficient number, since it is larger than the sum of its proper divisors (18312795092853).

31345232143419 is a wasteful number, since it uses less digits than its factorization.

31345232143419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40125 (or 40093 counting only the distinct ones).

The product of its digits is 933120, while the sum is 45.

The spelling of 31345232143419 in words is "thirty-one trillion, three hundred forty-five billion, two hundred thirty-two million, one hundred forty-three thousand, four hundred nineteen".

Divisors: 1 3 9 17 29 51 87 153 261 493 841 1479 2523 4437 7481 7569 14297 22443 32563 42891 67329 97689 127177 128673 216949 293067 381531 553571 650847 944327 1144593 1660713 1952541 2832981 3688133 4982139 6291521 8498943 11064399 16053559 18874563 27385483 33193197 48160677 56623689 82156449 106955857 144482031 243603803 246469347 320867571 465553211 730811409 962602713 1396659633 2192434227 4141264651 4189978899 7064510287 12423793953 21193530861 37271381859 63580592583 120096674879 204870798323 360290024637 614612394969 1080870073911 1843837184907 3482803571491 10448410714473 31345232143419