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131001100401422 = 21071559392658547
BaseRepresentation
bin11101110010010100010010…
…000011011111101100001110
3122011211120201221000220020002
4131302110102003133230032
5114132310223200321142
61142341024045524302
736410342250545066
oct3562242203375416
9564746657026202
10131001100401422
1138817288a91a89
1212838a83573692
135813473812314
14244c6b680a3a6
15102298c724a32
hex7725120dfb0e

131001100401422 has 16 divisors (see below), whose sum is σ = 198465336501120. Its totient is φ = 64846773554808.

The previous prime is 131001100401389. The next prime is 131001100401461. The reversal of 131001100401422 is 224104001100131.

It is a super-2 number, since 2×1310011004014222 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131001100401394 and 131001100401403.

It is a congruent number.

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, 195995648 + ... + 196662899.

It is an arithmetic number, because the mean of its divisors is an integer number (12404083531320).

Almost surely, 2131001100401422 is an apocalyptic number.

131001100401422 is a deficient number, since it is larger than the sum of its proper divisors (67464236099698).

131001100401422 is a wasteful number, since it uses less digits than its factorization.

131001100401422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392660215.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 131001100401422 its reverse (224104001100131), we get a palindrome (355105101501553).

The spelling of 131001100401422 in words is "one hundred thirty-one trillion, one billion, one hundred million, four hundred one thousand, four hundred twenty-two".

Divisors: 1 2 107 214 1559 3118 166813 333626 392658547 785317094 42014464529 84028929058 612154674773 1224309349546 65500550200711 131001100401422