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131301112310221 = 738653485274151
BaseRepresentation
bin11101110110101011101100…
…001010000110100111001101
3122012220021010021100221202211
4131312223230022012213031
5114202214134222411341
61143130522010150421
736441122651650120
oct3566535412064715
9565807107327684
10131301112310221
1138922541982567
1212887050a22411
135835845c50549
14245d01736c3b7
15102a69ae87181
hex776aec2869cd

131301112310221 has 8 divisors (see below), whose sum is σ = 150062296571264. Its totient is φ = 112540898674800.

The previous prime is 131301112310191. The next prime is 131301112310237. The reversal of 131301112310221 is 122013211103131.

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 131301112310221 - 221 = 131301110213069 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131301112310192 and 131301112310201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131301212310221) 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, 242366505 + ... + 242907646.

It is an arithmetic number, because the mean of its divisors is an integer number (18757787071408).

Almost surely, 2131301112310221 is an apocalyptic number.

It is an amenable number.

131301112310221 is a deficient number, since it is larger than the sum of its proper divisors (18761184261043).

131301112310221 is an equidigital number, since it uses as much as digits as its factorization.

131301112310221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485312811.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 131301112310221 its reverse (122013211103131), we get a palindrome (253314323413352).

The spelling of 131301112310221 in words is "one hundred thirty-one trillion, three hundred one billion, one hundred twelve million, three hundred ten thousand, two hundred twenty-one".

Divisors: 1 7 38653 270571 485274151 3396919057 18757301758603 131301112310221