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131141330132421 = 3749091272117589
BaseRepresentation
bin11101110100010110111000…
…011001011101110111000101
3122012022222200210000022122210
4131310112320121131313011
5114142104421003214141
61142525254555414033
736423435261600060
oct3564267031356705
9565288623008583
10131141330132421
11388707a9015454
121286009a154319
135823760b6accb
1424553ba7598d7
1510264486c4916
hex7745b865ddc5

131141330132421 has 16 divisors (see below), whose sum is σ = 199875115740800. Its totient is φ = 74922637462848.

The previous prime is 131141330132419. The next prime is 131141330132441. The reversal of 131141330132421 is 124231033141131.

It is a happy number.

It is not a de Polignac number, because 131141330132421 - 21 = 131141330132419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131141330132441) 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, 635955706 + ... + 636161883.

It is an arithmetic number, because the mean of its divisors is an integer number (12492194733800).

Almost surely, 2131141330132421 is an apocalyptic number.

It is an amenable number.

131141330132421 is a deficient number, since it is larger than the sum of its proper divisors (68733785608379).

131141330132421 is a wasteful number, since it uses less digits than its factorization.

131141330132421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272122508.

The product of its (nonzero) digits is 5184, while the sum is 30.

Adding to 131141330132421 its reverse (124231033141131), we get a palindrome (255372363273552).

The spelling of 131141330132421 in words is "one hundred thirty-one trillion, one hundred forty-one billion, three hundred thirty million, one hundred thirty-two thousand, four hundred twenty-one".

Divisors: 1 3 7 21 4909 14727 34363 103089 1272117589 3816352767 8904823123 26714469369 6244825244401 18734475733203 43713776710807 131141330132421