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31454535343 = 7111014044559
BaseRepresentation
bin11101010010110101…
…100001111010101111
310000012010020221202111
4131102311201322233
51003404330112333
622241111504451
72162321065450
oct352265417257
9100163227674
1031454535343
11123812a0a60
12611a088127
132c738293ba
1417456b5127
15c416924cd
hex752d61eaf

31454535343 has 16 divisors (see below), whose sum is σ = 39604331520. Its totient is φ = 24267348000.

The previous prime is 31454535317. The next prime is 31454535353. The reversal of 31454535343 is 34353545413.

It is not a de Polignac number, because 31454535343 - 217 = 31454404271 is a prime.

It is a super-2 number, since 2×314545353432 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31454535296 and 31454535305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31454535353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2014503 + ... + 2030056.

It is an arithmetic number, because the mean of its divisors is an integer number (2475270720).

Almost surely, 231454535343 is an apocalyptic number.

31454535343 is a deficient number, since it is larger than the sum of its proper divisors (8149796177).

31454535343 is a wasteful number, since it uses less digits than its factorization.

31454535343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4044678.

The product of its digits is 648000, while the sum is 40.

The spelling of 31454535343 in words is "thirty-one billion, four hundred fifty-four million, five hundred thirty-five thousand, three hundred forty-three".

Divisors: 1 7 11 77 101 707 1111 7777 4044559 28311913 44490149 311431043 408500459 2859503213 4493505049 31454535343