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31361415261164 = 227840353815291
BaseRepresentation
bin1110010000101111001100…
…00001000010101111101100
311010001010021221200201210122
413020113212001002233230
513102311134301324124
6150411122453024112
76414534051232262
oct710274601025754
9133033257621718
1031361415261164
119aa1335362a2a
123626076625038
1314664a42567c1
147a5c87350432
15395bb080d75e
hex1c85e6042bec

31361415261164 has 6 divisors (see below), whose sum is σ = 54882476707044. Its totient is φ = 15680707630580.

The previous prime is 31361415261139. The next prime is 31361415261167. The reversal of 31361415261164 is 46116251416313.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (31361415261167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3920176907642 + ... + 3920176907649.

It is an arithmetic number, because the mean of its divisors is an integer number (9147079451174).

Almost surely, 231361415261164 is an apocalyptic number.

It is an amenable number.

31361415261164 is a deficient number, since it is larger than the sum of its proper divisors (23521061445880).

31361415261164 is a wasteful number, since it uses less digits than its factorization.

31361415261164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7840353815295 (or 7840353815293 counting only the distinct ones).

The product of its digits is 311040, while the sum is 44.

Adding to 31361415261164 its reverse (46116251416313), we get a palindrome (77477666677477).

The spelling of 31361415261164 in words is "thirty-one trillion, three hundred sixty-one billion, four hundred fifteen million, two hundred sixty-one thousand, one hundred sixty-four".

Divisors: 1 2 4 7840353815291 15680707630582 31361415261164