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131012211101 = 1743792268649
BaseRepresentation
bin111101000000011101…
…1111011000110011101
3110112011110120220012212
41322000323323012131
54121303111223401
6140104114210205
712315414264062
oct1720073730635
9415143526185
10131012211101
115061aa83332
1221483883965
13c47b7c8b05
1464abab4c69
15361bb57dbb
hex1e80efb19d

131012211101 has 16 divisors (see below), whose sum is σ = 143741664000. Its totient is φ = 118913453568.

The previous prime is 131012211097. The next prime is 131012211193. The reversal of 131012211101 is 101112210131.

It is a cyclic number.

It is not a de Polignac number, because 131012211101 - 22 = 131012211097 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131012214101) 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, 1076576 + ... + 1192073.

It is an arithmetic number, because the mean of its divisors is an integer number (8983854000).

Almost surely, 2131012211101 is an apocalyptic number.

It is an amenable number.

131012211101 is a deficient number, since it is larger than the sum of its proper divisors (12729452899).

131012211101 is a wasteful number, since it uses less digits than its factorization.

131012211101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2268788.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 131012211101 its reverse (101112210131), we get a palindrome (232124421232).

The spelling of 131012211101 in words is "one hundred thirty-one billion, twelve million, two hundred eleven thousand, one hundred one".

Divisors: 1 17 43 79 731 1343 3397 57749 2268649 38567033 97551907 179223271 1658382419 3046795607 7706600653 131012211101