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131343230431043 = 163805786689761
BaseRepresentation
bin11101110111010010111010…
…100101111110111101000011
3122020001021211120001011210122
4131313102322211332331003
5114203411413442243133
61143202125211450455
736444143456036231
oct3567227245767503
9566037746034718
10131343230431043
1138939395516084
1212893246156a2b
1358397c8a96927
142461090d81951
15102b8138b5498
hex7774ba97ef43

131343230431043 has 4 divisors (see below), whose sum is σ = 132149017120968. Its totient is φ = 130537443741120.

The previous prime is 131343230430917. The next prime is 131343230431051. The reversal of 131343230431043 is 340134032343131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131343230431043 - 228 = 131342961995587 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131343230430994 and 131343230431012.

It is not an unprimeable number, because it can be changed into a prime (131343230431643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402893344718 + ... + 402893345043.

It is an arithmetic number, because the mean of its divisors is an integer number (33037254280242).

Almost surely, 2131343230431043 is an apocalyptic number.

131343230431043 is a deficient number, since it is larger than the sum of its proper divisors (805786689925).

131343230431043 is an equidigital number, since it uses as much as digits as its factorization.

131343230431043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805786689924.

The product of its (nonzero) digits is 93312, while the sum is 35.

Adding to 131343230431043 its reverse (340134032343131), we get a palindrome (471477262774174).

The spelling of 131343230431043 in words is "one hundred thirty-one trillion, three hundred forty-three billion, two hundred thirty million, four hundred thirty-one thousand, forty-three".

Divisors: 1 163 805786689761 131343230431043