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131222032211402 = 21144041135433751
BaseRepresentation
bin11101110101100010000010…
…100111011101110111001010
3122012121201000001012200221222
4131311202002213131313022
5114144420210221231102
61143030322553202042
736432323200132136
oct3565420247356712
9565551001180858
10131222032211402
11388a1a512608a0
1212873861100322
13582b25258c572
1424592748503c6
1510285bd626aa2
hex7758829dddca

131222032211402 has 16 divisors (see below), whose sum is σ = 214731839001024. Its totient is φ = 59645023500000.

The previous prime is 131222032211393. The next prime is 131222032211423. The reversal of 131222032211402 is 204112230222131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66747974 + ... + 68685777.

It is an arithmetic number, because the mean of its divisors is an integer number (13420739937564).

Almost surely, 2131222032211402 is an apocalyptic number.

131222032211402 is a deficient number, since it is larger than the sum of its proper divisors (83509806789622).

131222032211402 is a wasteful number, since it uses less digits than its factorization.

131222032211402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135477805.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 131222032211402 its reverse (204112230222131), we get a palindrome (335334262433533).

The spelling of 131222032211402 in words is "one hundred thirty-one trillion, two hundred twenty-two billion, thirty-two million, two hundred eleven thousand, four hundred two".

Divisors: 1 2 11 22 44041 88082 484451 968902 135433751 270867502 1489771261 2979542522 5964637827791 11929275655582 65611016105701 131222032211402