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131331333100 = 225211163732467
BaseRepresentation
bin111101001001111110…
…1010001101111101100
3110112222201001222022011
41322103331101233230
54122431310124400
6140155514131004
712326340624652
oct1722375215754
9415881058264
10131331333100
1150774128420
1221552720a64
13c4cc9604b6
1464dc224dd2
153639b928ba
hex1e93f51bec

131331333100 has 72 divisors (see below), whose sum is σ = 312804854208. Its totient is φ = 47463796800.

The previous prime is 131331333097. The next prime is 131331333109. The reversal of 131331333100 is 1333133131.

It is a super-2 number, since 2×1313313331002 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (131331333109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 186934 + ... + 545533.

It is an arithmetic number, because the mean of its divisors is an integer number (4344511864).

Almost surely, 2131331333100 is an apocalyptic number.

131331333100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131331333100 is an abundant number, since it is smaller than the sum of its proper divisors (181473521108).

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

131331333100 is a wasteful number, since it uses less digits than its factorization.

131331333100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732655 (or 732648 counting only the distinct ones).

The product of its (nonzero) digits is 729, while the sum is 22.

Adding to 131331333100 its reverse (1333133131), we get a palindrome (132664466231).

The spelling of 131331333100 in words is "one hundred thirty-one billion, three hundred thirty-one million, three hundred thirty-three thousand, one hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 163 220 275 326 550 652 815 1100 1630 1793 3260 3586 4075 7172 8150 8965 16300 17930 35860 44825 89650 179300 732467 1464934 2929868 3662335 7324670 8057137 14649340 16114274 18311675 32228548 36623350 40285685 73246700 80571370 119392121 161142740 201428425 238784242 402856850 477568484 596960605 805713700 1193921210 1313313331 2387842420 2626626662 2984803025 5253253324 5969606050 6566566655 11939212100 13133133310 26266266620 32832833275 65665666550 131331333100