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131102222321 = 729833627791
BaseRepresentation
bin111101000011001001…
…1010010011111110001
3110112101201221221101202
41322012103102133301
54121444132103241
6140121051340545
712320556334340
oct1720623223761
9415351857352
10131102222321
1150666872074
12214a9a51755
13c494352ba5
1464b9a25b57
1536249d7d9b
hex1e864d27f1

131102222321 has 8 divisors (see below), whose sum is σ = 149836372224. Its totient is φ = 112369387680.

The previous prime is 131102222311. The next prime is 131102222333. The reversal of 131102222321 is 123222201131.

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 131102222321 - 214 = 131102205937 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 131102222293 and 131102222302.

It is not an unprimeable number, because it can be changed into a prime (131102222311) 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, 105065 + ... + 522726.

It is an arithmetic number, because the mean of its divisors is an integer number (18729546528).

Almost surely, 2131102222321 is an apocalyptic number.

It is an amenable number.

131102222321 is a deficient number, since it is larger than the sum of its proper divisors (18734149903).

131102222321 is an equidigital number, since it uses as much as digits as its factorization.

131102222321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657631.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 131102222321 its reverse (123222201131), we get a palindrome (254324423452).

The spelling of 131102222321 in words is "one hundred thirty-one billion, one hundred two million, two hundred twenty-two thousand, three hundred twenty-one".

Divisors: 1 7 29833 208831 627791 4394537 18728888903 131102222321