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131343230431042 = 279381659316503
BaseRepresentation
bin11101110111010010111010…
…100101111110111101000010
3122020001021211120001011210121
4131313102322211332331002
5114203411413442243132
61143202125211450454
736444143456036230
oct3567227245767502
9566037746034717
10131343230431042
1138939395516083
1212893246156a2a
1358397c8a96926
142461090d81950
15102b8138b5497
hex7774ba97ef42

131343230431042 has 8 divisors (see below), whose sum is σ = 225159823596096. Its totient is φ = 56289955899012.

The previous prime is 131343230430917. The next prime is 131343230431051. The reversal of 131343230431042 is 240134032343131.

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

It is a junction number, because it is equal to n+sod(n) for n = 131343230430989 and 131343230431007.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4690829658238 + ... + 4690829658265.

It is an arithmetic number, because the mean of its divisors is an integer number (28144977949512).

Almost surely, 2131343230431042 is an apocalyptic number.

131343230431042 is a deficient number, since it is larger than the sum of its proper divisors (93816593165054).

131343230431042 is an equidigital number, since it uses as much as digits as its factorization.

131343230431042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9381659316512.

The product of its (nonzero) digits is 62208, while the sum is 34.

Adding to 131343230431042 its reverse (240134032343131), we get a palindrome (371477262774173).

The spelling of 131343230431042 in words is "one hundred thirty-one trillion, three hundred forty-three billion, two hundred thirty million, four hundred thirty-one thousand, forty-two".

Divisors: 1 2 7 14 9381659316503 18763318633006 65671615215521 131343230431042