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131032001323 = 249195258317
BaseRepresentation
bin111101000001000011…
…1011010101100101011
3110112012211211100022001
41322002013122230223
54121323143020243
6140110102311431
712316044430366
oct1720207325453
9415184740261
10131032001323
115063016aa93
122148a428577
13c4829378c2
1464b05870dd
15361d766a4d
hex1e821dab2b

131032001323 has 4 divisors (see below), whose sum is σ = 131037284560. Its totient is φ = 131026718088.

The previous prime is 131032001257. The next prime is 131032001333. The reversal of 131032001323 is 323100230131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-131032001323 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131032001323.

It is not an unprimeable number, because it can be changed into a prime (131032001333) 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 3 ways as a sum of consecutive naturals, for example, 2604240 + ... + 2654077.

It is an arithmetic number, because the mean of its divisors is an integer number (32759321140).

Almost surely, 2131032001323 is an apocalyptic number.

131032001323 is a deficient number, since it is larger than the sum of its proper divisors (5283237).

131032001323 is an equidigital number, since it uses as much as digits as its factorization.

131032001323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5283236.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 131032001323 its reverse (323100230131), we get a palindrome (454132231454).

The spelling of 131032001323 in words is "one hundred thirty-one billion, thirty-two million, one thousand, three hundred twenty-three".

Divisors: 1 24919 5258317 131032001323