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31323320302134 = 23737201110023161
BaseRepresentation
bin1110001111101000001110…
…11000010011101000110110
311002220110222001022022020010
413013310013120103220312
513101200124444132014
6150341422405521050
76412015035354630
oct707640730235066
9132813861268203
1031323320302134
119a87166793413
12361a804713186
131462a12a81423
147a40b1b9da50
15394bd11cd359
hex1c7d07613a36

31323320302134 has 64 divisors (see below), whose sum is σ = 73567763891712. Its totient is φ = 8703310291200.

The previous prime is 31323320301997. The next prime is 31323320302159. The reversal of 31323320302134 is 43120302332313.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1886487 + ... + 8136674.

It is an arithmetic number, because the mean of its divisors is an integer number (1149496310808).

Almost surely, 231323320302134 is an apocalyptic number.

31323320302134 is an abundant number, since it is smaller than the sum of its proper divisors (42244443589578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31323320302134 is a wasteful number, since it uses less digits than its factorization.

31323320302134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10025221.

The product of its (nonzero) digits is 23328, while the sum is 30.

Adding to 31323320302134 its reverse (43120302332313), we get a palindrome (74443622634447).

The spelling of 31323320302134 in words is "thirty-one trillion, three hundred twenty-three billion, three hundred twenty million, three hundred two thousand, one hundred thirty-four".

Divisors: 1 2 3 6 7 14 21 37 42 74 111 222 259 518 777 1554 2011 4022 6033 12066 14077 28154 42231 74407 84462 148814 223221 446442 520849 1041698 1562547 3125094 10023161 20046322 30069483 60138966 70162127 140324254 210486381 370856957 420972762 741713914 1112570871 2225141742 2595998699 5191997398 7787996097 15575992194 20156576771 40313153542 60469730313 120939460626 141096037397 282192074794 423288112191 745793340527 846576224382 1491586681054 2237380021581 4474760043162 5220553383689 10441106767378 15661660151067 31323320302134