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31451053141234 = 271522742373501
BaseRepresentation
bin1110010011010110001001…
…10110011010110011110010
311010100200122222011211202201
413021223010312122303302
513110243224101004414
6150520225255533414
76424156262522506
oct711530466326362
9133320588154681
1031451053141234
11a026353630a51
12363b51208a26a
131471a8b03b11c
147aa34c108306
153981a9eaa574
hex1c9ac4d9acf2

31451053141234 has 16 divisors (see below), whose sum is σ = 47850192386496. Its totient is φ = 15501073770000.

The previous prime is 31451053141213. The next prime is 31451053141241. The reversal of 31451053141234 is 43214135015413.

It is a happy number.

It is a super-3 number, since 3×314510531412343 (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31451053141193 and 31451053141202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20444517 + ... + 21928984.

It is an arithmetic number, because the mean of its divisors is an integer number (2990637024156).

Almost surely, 231451053141234 is an apocalyptic number.

31451053141234 is a deficient number, since it is larger than the sum of its proper divisors (16399139245262).

31451053141234 is a wasteful number, since it uses less digits than its factorization.

31451053141234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42378801.

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 31451053141234 its reverse (43214135015413), we get a palindrome (74665188156647).

The spelling of 31451053141234 in words is "thirty-one trillion, four hundred fifty-one billion, fifty-three million, one hundred forty-one thousand, two hundred thirty-four".

Divisors: 1 2 71 142 5227 10454 371117 742234 42373501 84747002 3008518571 6017037142 221486289727 442972579454 15725526570617 31451053141234