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131433420311 = 376263567181
BaseRepresentation
bin111101001101000001…
…0101101011000010111
3110120020211011112121222
41322122002231120113
54123133423422221
6140214002200555
712332020432214
oct1723202553027
9416224145558
10131433420311
1150816815016
122158095315b
13c517b5502b
14650b9dab0b
153643b0a9ab
hex1e9a0ad617

131433420311 has 8 divisors (see below), whose sum is σ = 135007465824. Its totient is φ = 127860521760.

The previous prime is 131433420277. The next prime is 131433420319. The reversal of 131433420311 is 113024334131.

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 131433420311 - 210 = 131433419287 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 (131433420319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51860 + ... + 515321.

It is an arithmetic number, because the mean of its divisors is an integer number (16875933228).

Almost surely, 2131433420311 is an apocalyptic number.

131433420311 is a deficient number, since it is larger than the sum of its proper divisors (3574045513).

131433420311 is an equidigital number, since it uses as much as digits as its factorization.

131433420311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573481.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 131433420311 its reverse (113024334131), we get a palindrome (244457754442).

The spelling of 131433420311 in words is "one hundred thirty-one billion, four hundred thirty-three million, four hundred twenty thousand, three hundred eleven".

Divisors: 1 37 6263 231731 567181 20985697 3552254603 131433420311