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131201404000401 = 37127167294577109
BaseRepresentation
bin11101110101001110110101…
…000101000101100010010001
3122012112201202102121000020010
4131311032311011011202101
5114144100433411003101
61143013032023105133
736430663046211240
oct3565166505054221
9565481672530203
10131201404000401
1138894226165629
121286b8648a21a9
1358293159bc457
142458278d5a957
151027cb26692d6
hex7753b5145891

131201404000401 has 32 divisors (see below), whose sum is σ = 202706757550080. Its totient is φ = 73936497491136.

The previous prime is 131201404000361. The next prime is 131201404000421. The reversal of 131201404000401 is 104000404102131.

It is not a de Polignac number, because 131201404000401 - 29 = 131201403999889 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (131201404000421) by changing a digit.

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, 146843166 + ... + 147733943.

It is an arithmetic number, because the mean of its divisors is an integer number (6334586173440).

Almost surely, 2131201404000401 is an apocalyptic number.

It is an amenable number.

131201404000401 is a deficient number, since it is larger than the sum of its proper divisors (71505353549679).

131201404000401 is a wasteful number, since it uses less digits than its factorization.

131201404000401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294577413.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 131201404000401 its reverse (104000404102131), we get a palindrome (235201808102532).

The spelling of 131201404000401 in words is "one hundred thirty-one trillion, two hundred one billion, four hundred four million, four hundred one", and thus it is an aban number.

Divisors: 1 3 7 21 127 167 381 501 889 1169 2667 3507 21209 63627 148463 445389 294577109 883731327 2062039763 6186119289 37411292843 49194377203 112233878529 147583131609 261879049901 344360640421 785637149703 1033081921263 6247685904781 18743057714343 43733801333467 131201404000401