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31020414343 is a prime number
BaseRepresentation
bin11100111000111101…
…011111010110000111
32222001212101022200221
4130320331133112013
51002012211224333
622130043045211
72145500112532
oct347075372607
988055338627
1031020414343
1112179240476
126018810807
132c048cc179
141703b8ba19
15c184ddd2d
hex738f5f587

31020414343 has 2 divisors, whose sum is σ = 31020414344. Its totient is φ = 31020414342.

The previous prime is 31020414323. The next prime is 31020414371. The reversal of 31020414343 is 34341402013.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31020414343 - 217 = 31020283271 is a prime.

It is a super-2 number, since 2×310204143432 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31020414323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15510207171 + 15510207172.

It is an arithmetic number, because the mean of its divisors is an integer number (15510207172).

Almost surely, 231020414343 is an apocalyptic number.

31020414343 is a deficient number, since it is larger than the sum of its proper divisors (1).

31020414343 is an equidigital number, since it uses as much as digits as its factorization.

31020414343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 31020414343 its reverse (34341402013), we get a palindrome (65361816356).

The spelling of 31020414343 in words is "thirty-one billion, twenty million, four hundred fourteen thousand, three hundred forty-three".