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12131003233301 = 23527434923187
BaseRepresentation
bin1011000010000111100000…
…1000110111010000010101
31120221201020110202212210012
42300201320020313100111
53042223243311431201
641444523404010005
72361302366065211
oct260417010672025
946851213685705
1012131003233301
113957803085a67
12143b0a0530905
1369cc44394194
142dd2023d7941
1516084dda35bb
hexb0878237415

12131003233301 has 4 divisors (see below), whose sum is σ = 12658438156512. Its totient is φ = 11603568310092.

The previous prime is 12131003233267. The next prime is 12131003233303. The reversal of 12131003233301 is 10333230013121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2k-12131003233301 is a prime.

It is a super-2 number, since 2×121310032333012 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 527434923187 = 12131003233301 / (1 + 2 + 1 + 3 + 1 + 0 + 0 + 3 + 2 + 3 + 3 + 3 + 0 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12131003233303) 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, 263717461571 + ... + 263717461616.

It is an arithmetic number, because the mean of its divisors is an integer number (3164609539128).

Almost surely, 212131003233301 is an apocalyptic number.

It is an amenable number.

12131003233301 is a deficient number, since it is larger than the sum of its proper divisors (527434923211).

12131003233301 is an equidigital number, since it uses as much as digits as its factorization.

12131003233301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527434923210.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 12131003233301 its reverse (10333230013121), we get a palindrome (22464233246422).

The spelling of 12131003233301 in words is "twelve trillion, one hundred thirty-one billion, three million, two hundred thirty-three thousand, three hundred one".

Divisors: 1 23 527434923187 12131003233301