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131101202321 = 6710318997421
BaseRepresentation
bin111101000011000111…
…1011001011110010001
3110112101200001010012222
41322012033121132101
54121443401433241
6140121013430425
712320544555515
oct1720617313621
9415350033188
10131101202321
11506662357a1
12214a963b415
13c49408683b
1464b983c145
153624885a4b
hex1e863d9791

131101202321 has 8 divisors (see below), whose sum is σ = 134349768384. Its totient is φ = 127890631440.

The previous prime is 131101202273. The next prime is 131101202359. The reversal of 131101202321 is 123202101131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131101202321 - 222 = 131097008017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131101202321.

It is not an unprimeable number, because it can be changed into a prime (131101202381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9491810 + ... + 9505611.

It is an arithmetic number, because the mean of its divisors is an integer number (16793721048).

Almost surely, 2131101202321 is an apocalyptic number.

It is an amenable number.

131101202321 is a deficient number, since it is larger than the sum of its proper divisors (3248566063).

131101202321 is a wasteful number, since it uses less digits than its factorization.

131101202321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18997591.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 131101202321 its reverse (123202101131), we get a palindrome (254303303452).

The spelling of 131101202321 in words is "one hundred thirty-one billion, one hundred one million, two hundred two thousand, three hundred twenty-one".

Divisors: 1 67 103 6901 18997421 1272827207 1956734363 131101202321