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131300321023 = 359167365569
BaseRepresentation
bin111101001001000011…
…0111110011011111111
3110112220112201101201201
41322102012332123333
54122400340233043
6140152445320331
712325513212514
oct1722206763377
9415815641651
10131300321023
1150758676603
12215442660a7
13c4c63c2961
1464d807130b
1536370b8c4d
hex1e921be6ff

131300321023 has 4 divisors (see below), whose sum is σ = 131301045760. Its totient is φ = 131299596288.

The previous prime is 131300321011. The next prime is 131300321063. The reversal of 131300321023 is 320123003131.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 320123003131 = 563568602137.

It is a cyclic number.

It is not a de Polignac number, because 131300321023 - 213 = 131300312831 is a prime.

It is a super-3 number, since 3×1313003210233 (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131300321063) 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, 176383 + ... + 541951.

It is an arithmetic number, because the mean of its divisors is an integer number (32825261440).

Almost surely, 2131300321023 is an apocalyptic number.

131300321023 is a deficient number, since it is larger than the sum of its proper divisors (724737).

131300321023 is an equidigital number, since it uses as much as digits as its factorization.

131300321023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724736.

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

Adding to 131300321023 its reverse (320123003131), we get a palindrome (451423324154).

The spelling of 131300321023 in words is "one hundred thirty-one billion, three hundred million, three hundred twenty-one thousand, twenty-three".

Divisors: 1 359167 365569 131300321023