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13131011113423 = 75931794215771
BaseRepresentation
bin1011111100010100110101…
…0000001100000111001111
31201111022102202000122202121
42333011031100030013033
53210114302321112143
643532145255233411
72523453460604320
oct277051520140717
951438382018677
1013131011113423
1142029154a3355
121580a65078867
1374333118b6c8
143357898d2447
1517b87b1747ed
hexbf14d40c1cf

13131011113423 has 8 divisors (see below), whose sum is σ = 15261223570560. Its totient is φ = 11064387087960.

The previous prime is 13131011113421. The next prime is 13131011113469. The reversal of 13131011113423 is 32431111013131.

13131011113423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13131011113423 - 21 = 13131011113421 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 (13131011113421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15897107473 + ... + 15897108298.

It is an arithmetic number, because the mean of its divisors is an integer number (1907652946320).

Almost surely, 213131011113423 is an apocalyptic number.

13131011113423 is a deficient number, since it is larger than the sum of its proper divisors (2130212457137).

13131011113423 is an equidigital number, since it uses as much as digits as its factorization.

13131011113423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31794215837.

The product of its (nonzero) digits is 648, while the sum is 25.

Adding to 13131011113423 its reverse (32431111013131), we get a palindrome (45562122126554).

The spelling of 13131011113423 in words is "thirteen trillion, one hundred thirty-one billion, eleven million, one hundred thirteen thousand, four hundred twenty-three".

Divisors: 1 7 59 413 31794215771 222559510397 1875858730489 13131011113423