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131012201033123 = 61671283187913297
BaseRepresentation
bin11101110010011110100111…
…101101000010110110100011
3122011212122101112211102012112
4131302132213231002312203
5114133000441431024443
61142350101350545535
736411214321423604
oct3562364755026643
9564778345742175
10131012201033123
1138820a65002973
121283b0610682ab
135814522541b47
14244d04abd3dab
151022ddc040b18
hex7727a7b42da3

131012201033123 has 32 divisors (see below), whose sum is σ = 135334899202560. Its totient is φ = 126765129807360.

The previous prime is 131012201033111. The next prime is 131012201033167. The reversal of 131012201033123 is 321330102210131.

It is a cyclic number.

It is not a de Polignac number, because 131012201033123 - 240 = 129912689405347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131012201083123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9852757211 + ... + 9852770507.

It is an arithmetic number, because the mean of its divisors is an integer number (4229215600080).

Almost surely, 2131012201033123 is an apocalyptic number.

131012201033123 is a deficient number, since it is larger than the sum of its proper divisors (4322698169437).

131012201033123 is a wasteful number, since it uses less digits than its factorization.

131012201033123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16587.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 131012201033123 its reverse (321330102210131), we get a palindrome (452342303243254).

The spelling of 131012201033123 in words is "one hundred thirty-one trillion, twelve billion, two hundred one million, thirty-three thousand, one hundred twenty-three".

Divisors: 1 61 67 1283 1879 4087 13297 78263 85961 114619 125893 811117 890899 2410757 5243621 7679473 17060051 24985063 54344839 147056177 161520719 1040663111 1143023417 1524088843 1673999221 9852763859 32055835829 69724428437 102113952481 1955405985569 2147741000543 131012201033123