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131022001112 = 23172341886829
BaseRepresentation
bin111101000000110000…
…1010001001111011000
3110112012011000021120212
41322001201101033120
54121313113013422
6140105104110252
712315563430302
oct1720141211730
9415164007525
10131022001112
115062555a752
1221487005388
13c480845c12
1464ad102972
15361c93d9e2
hex1e818513d8

131022001112 has 32 divisors (see below), whose sum is σ = 271426658400. Its totient is φ = 58976653824.

The previous prime is 131022001111. The next prime is 131022001139. The reversal of 131022001112 is 211100220131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131022001111) 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, 20940287 + ... + 20946542.

It is an arithmetic number, because the mean of its divisors is an integer number (8482083075).

Almost surely, 2131022001112 is an apocalyptic number.

It is an amenable number.

131022001112 is an abundant number, since it is smaller than the sum of its proper divisors (140404657288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131022001112 is a wasteful number, since it uses less digits than its factorization.

131022001112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41886875 (or 41886871 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 131022001112 its reverse (211100220131), we get a palindrome (342122221243).

The spelling of 131022001112 in words is "one hundred thirty-one billion, twenty-two million, one thousand, one hundred twelve".

Divisors: 1 2 4 8 17 23 34 46 68 92 136 184 391 782 1564 3128 41886829 83773658 167547316 335094632 712076093 963397067 1424152186 1926794134 2848304372 3853588268 5696608744 7707176536 16377750139 32755500278 65511000556 131022001112