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131012223230344 = 2379709972919811
BaseRepresentation
bin11101110010011110101001…
…000001101110000110001000
3122011212122110002121011001211
4131302132221001232012020
5114133001013121332334
61142350103502422504
736411215011203541
oct3562365101560610
9564778402534054
10131012223230344
1138820a76593a85
121283b068591a34
1358145270143b1
14244d04db314c8
151022ddde77a64
hex7727a906e188

131012223230344 has 32 divisors (see below), whose sum is σ = 248760974851200. Its totient is φ = 64675987197120.

The previous prime is 131012223230333. The next prime is 131012223230351. The reversal of 131012223230344 is 443032322210131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43410199 + ... + 46330009.

It is an arithmetic number, because the mean of its divisors is an integer number (7773780464100).

Almost surely, 2131012223230344 is an apocalyptic number.

It is an amenable number.

131012223230344 is a deficient number, since it is larger than the sum of its proper divisors (117748751620856).

131012223230344 is a wasteful number, since it uses less digits than its factorization.

131012223230344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2990893 (or 2990889 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 131012223230344 its reverse (443032322210131), we get a palindrome (574044545440475).

The spelling of 131012223230344 in words is "one hundred thirty-one trillion, twelve billion, two hundred twenty-three million, two hundred thirty thousand, three hundred forty-four".

Divisors: 1 2 4 8 79 158 316 632 70997 141994 283988 567976 2919811 5608763 5839622 11217526 11679244 22435052 23358488 44870104 230665069 461330138 922660276 1845320552 207297821567 414595643134 829191286268 1658382572536 16376527903793 32753055807586 65506111615172 131012223230344