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131202301121321 = 4327177891445513
BaseRepresentation
bin11101110101001111101010…
…100011010101001100101001
3122012112211001221200110202212
4131311033222203111030221
5114144104303041340241
61143013301031334505
736431024221466153
oct3565175243251451
9565484057613685
10131202301121321
1138894646600881
121286ba75221435
135829429818531
142458322167ad3
151027d162c7beb
hex7753ea8d5329

131202301121321 has 16 divisors (see below), whose sum is σ = 134766310990080. Its totient is φ = 127661722151040.

The previous prime is 131202301121303. The next prime is 131202301121377. The reversal of 131202301121321 is 123121103202131.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 131202301121321 - 26 = 131202301121257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131202301120321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90042461 + ... + 91487973.

It is an arithmetic number, because the mean of its divisors is an integer number (8422894436880).

Almost surely, 2131202301121321 is an apocalyptic number.

It is an amenable number.

131202301121321 is a deficient number, since it is larger than the sum of its proper divisors (3564009868759).

131202301121321 is a wasteful number, since it uses less digits than its factorization.

131202301121321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1453616.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 131202301121321 its reverse (123121103202131), we get a palindrome (254323404323452).

The spelling of 131202301121321 in words is "one hundred thirty-one trillion, two hundred two billion, three hundred one million, one hundred twenty-one thousand, three hundred twenty-one".

Divisors: 1 43 271 7789 11653 334927 1445513 2110819 62157059 90765217 391734023 11259100757 16844562989 484141332551 3051216305147 131202301121321