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131211300222330 = 23514929353758439
BaseRepresentation
bin11101110101011000000010…
…111100001011010101111010
3122012120200022010002011121020
4131311120002330023111322
5114144231220324103310
61143021350021323310
736431463223544226
oct3565300274132572
9565520263064536
10131211300222330
1138898444338639
1212871766b66536
13582a232042583
1424589373c7786
151028191378170
hex775602f0b57a

131211300222330 has 32 divisors (see below), whose sum is σ = 317020591152000. Its totient is φ = 34754849990592.

The previous prime is 131211300222313. The next prime is 131211300222337. The reversal of 131211300222330 is 33222003112131.

It is a self number, because there is not a number n which added to its sum of digits gives 131211300222330.

It is not an unprimeable number, because it can be changed into a prime (131211300222337) 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, 14676874750 + ... + 14676883689.

It is an arithmetic number, because the mean of its divisors is an integer number (9906893473500).

Almost surely, 2131211300222330 is an apocalyptic number.

131211300222330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131211300222330 is an abundant number, since it is smaller than the sum of its proper divisors (185809290929670).

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

131211300222330 is a wasteful number, since it uses less digits than its factorization.

131211300222330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29353758598.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 131211300222330 its reverse (33222003112131), we get a palindrome (164433303334461).

The spelling of 131211300222330 in words is "one hundred thirty-one trillion, two hundred eleven billion, three hundred million, two hundred twenty-two thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 149 298 447 745 894 1490 2235 4470 29353758439 58707516878 88061275317 146768792195 176122550634 293537584390 440306376585 880612753170 4373710007411 8747420014822 13121130022233 21868550037055 26242260044466 43737100074110 65605650111165 131211300222330