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31430031010002 = 2325099342442211
BaseRepresentation
bin1110010010101110111111…
…10101010110100011010010
311010021200101220022221001200
413021113133311112203102
513104422200414310002
6150502431254412030
76422513316411252
oct711273765264322
9133250356287050
1031430031010002
11a018446142679
123637425961016
13146caba977b11
147a9316193962
1539787963ab1c
hex1c95dfd568d2

31430031010002 has 24 divisors (see below), whose sum is σ = 68111755966800. Its totient is φ = 10474622319480.

The previous prime is 31430031009989. The next prime is 31430031010019. The reversal of 31430031010002 is 20001013003413.

31430031010002 is a `hidden beast` number, since 314 + 30 + 0 + 310 + 10 + 0 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 171129324 + ... + 171312887.

It is an arithmetic number, because the mean of its divisors is an integer number (2837989831950).

Almost surely, 231430031010002 is an apocalyptic number.

31430031010002 is an abundant number, since it is smaller than the sum of its proper divisors (36681724956798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31430031010002 is a wasteful number, since it uses less digits than its factorization.

31430031010002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342447318 (or 342447315 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 31430031010002 its reverse (20001013003413), we get a palindrome (51431044013415).

The spelling of 31430031010002 in words is "thirty-one trillion, four hundred thirty billion, thirty-one million, ten thousand, two".

Divisors: 1 2 3 6 9 18 5099 10198 15297 30594 45891 91782 342442211 684884422 1027326633 2054653266 3081979899 6163959798 1746112833889 3492225667778 5238338501667 10476677003334 15715015505001 31430031010002