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31314454330151 = 1743317135135113
BaseRepresentation
bin1110001111010111101101…
…11011010011101100100111
311002212122002011102021002102
413013223312323103230213
513101024000302031101
6150333354533202315
76411252241012046
oct707536673235447
9132778064367072
1031314454330151
119a83427115443
123618b4b49039b
131461c2bcca165
147a38b04b655d
15394862b7886b
hex1c7af6ed3b27

31314454330151 has 16 divisors (see below), whose sum is σ = 34034589271584. Its totient is φ = 28696211303424.

The previous prime is 31314454330121. The next prime is 31314454330163. The reversal of 31314454330151 is 15103345441313.

It is a cyclic number.

It is not a de Polignac number, because 31314454330151 - 226 = 31314387221287 is a prime.

It is a super-2 number, since 2×313144543301512 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31314454330121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67335830 + ... + 67799283.

It is an arithmetic number, because the mean of its divisors is an integer number (2127161829474).

Almost surely, 231314454330151 is an apocalyptic number.

31314454330151 is a deficient number, since it is larger than the sum of its proper divisors (2720134941433).

31314454330151 is a wasteful number, since it uses less digits than its factorization.

31314454330151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135135490.

The product of its (nonzero) digits is 129600, while the sum is 38.

Adding to 31314454330151 its reverse (15103345441313), we get a palindrome (46417799771464).

The spelling of 31314454330151 in words is "thirty-one trillion, three hundred fourteen billion, four hundred fifty-four million, three hundred thirty thousand, one hundred fifty-one".

Divisors: 1 17 43 317 731 5389 13631 231727 135135113 2297296921 5810809859 42837830821 98783767603 728243123957 1842026725303 31314454330151