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131140404341221 = 1125746388540623
BaseRepresentation
bin11101110100010110000001…
…001101110110100111100101
3122012022220022020222020212211
4131310112001031312213211
5114142101022002404341
61142525023044443421
736423403320522262
oct3564260115664745
9565286266866784
10131140404341221
1138870373477860
121285ba800a9571
135823644114272
14245532d808269
1510263e22a1181
hex7745813769e5

131140404341221 has 8 divisors (see below), whose sum is σ = 143618921771904. Its totient is φ = 118754663992320.

The previous prime is 131140404341153. The next prime is 131140404341239. The reversal of 131140404341221 is 122143404041131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131140404341221 - 29 = 131140404340709 is a prime.

It is a super-3 number, since 3×1311404043412213 (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131140404341521) 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, 23194267485 + ... + 23194273138.

It is an arithmetic number, because the mean of its divisors is an integer number (17952365221488).

Almost surely, 2131140404341221 is an apocalyptic number.

131140404341221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

131140404341221 is a deficient number, since it is larger than the sum of its proper divisors (12478517430683).

131140404341221 is a wasteful number, since it uses less digits than its factorization.

131140404341221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46388540891.

The product of its (nonzero) digits is 9216, while the sum is 31.

Adding to 131140404341221 its reverse (122143404041131), we get a palindrome (253283808382352).

The spelling of 131140404341221 in words is "one hundred thirty-one trillion, one hundred forty billion, four hundred four million, three hundred forty-one thousand, two hundred twenty-one".

Divisors: 1 11 257 2827 46388540623 510273946853 11921854940111 131140404341221