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131022312030330 = 2357623915771573
BaseRepresentation
bin11101110010101000000010…
…010111011100000001111010
3122011220121111012110021212120
4131302220002113130001322
5114133132143334432310
61142354452540422110
736412023014452560
oct3562500227340172
9564817435407776
10131022312030330
113882528343a806
1212841003247936
135815474223526
14244d7299aba30
1510232cea26b70
hex772a025dc07a

131022312030330 has 32 divisors (see below), whose sum is σ = 359375484426624. Its totient is φ = 29947957035456.

The previous prime is 131022312030277. The next prime is 131022312030349. The reversal of 131022312030330 is 33030213220131.

It is a self number, because there is not a number n which added to its sum of digits gives 131022312030330.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 311957885577 + ... + 311957885996.

It is an arithmetic number, because the mean of its divisors is an integer number (11230483888332).

Almost surely, 2131022312030330 is an apocalyptic number.

131022312030330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131022312030330 is an abundant number, since it is smaller than the sum of its proper divisors (228353172396294).

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

131022312030330 is a wasteful number, since it uses less digits than its factorization.

131022312030330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623915771590.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 131022312030330 its reverse (33030213220131), we get a palindrome (164052525250461).

The spelling of 131022312030330 in words is "one hundred thirty-one trillion, twenty-two billion, three hundred twelve million, thirty thousand, three hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 623915771573 1247831543146 1871747314719 3119578857865 3743494629438 4367410401011 6239157715730 8734820802022 9358736573595 13102231203033 18717473147190 21837052005055 26204462406066 43674104010110 65511156015165 131022312030330