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131201431432323 = 3747547792426651
BaseRepresentation
bin11101110101001110110110…
…101101101110110010000011
3122012112201211100012200202020
4131311032312231232302003
5114144101012421313243
61143013034443052523
736430663531322550
oct3565166655566203
9565481740180666
10131201431432323
113889423a6a163a
121286b871b11143
13582931b5a5565
14245827c85ba27
151027cb4c87283
hex7753b6b6ec83

131201431432323 has 32 divisors (see below), whose sum is σ = 204183546716160. Its totient is φ = 73375722602400.

The previous prime is 131201431432321. The next prime is 131201431432349. The reversal of 131201431432323 is 323234134102131.

It is not a de Polignac number, because 131201431432323 - 21 = 131201431432321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131201431432321) 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, 52853548 + ... + 55280198.

It is an arithmetic number, because the mean of its divisors is an integer number (6380735834880).

Almost surely, 2131201431432323 is an apocalyptic number.

131201431432323 is a deficient number, since it is larger than the sum of its proper divisors (72982115283837).

131201431432323 is a wasteful number, since it uses less digits than its factorization.

131201431432323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2481487.

The product of its (nonzero) digits is 31104, while the sum is 33.

Adding to 131201431432323 its reverse (323234134102131), we get a palindrome (454435565534454).

The spelling of 131201431432323 in words is "one hundred thirty-one trillion, two hundred one billion, four hundred thirty-one million, four hundred thirty-two thousand, three hundred twenty-three".

Divisors: 1 3 7 21 47 141 329 987 54779 164337 383453 1150359 2426651 2574613 7279953 7723839 16986557 18022291 50959671 54066873 114052597 342157791 798368179 2395104537 132929515129 398788545387 930506605903 2791519817709 6247687211063 18743061633189 43733810477441 131201431432323