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13210020113231 = 291373331768343
BaseRepresentation
bin1100000000111011001010…
…0011100110101101001111
31201202212101000101201001202
43000032302203212231033
53212413110122110411
644032333252300115
72532251420200454
oct300166243465517
951685330351052
1013210020113231
114233379a73307
12159423501163b
1374a912bb7876
14339522bc382b
1517d95263d83b
hexc03b28e6b4f

13210020113231 has 8 divisors (see below), whose sum is σ = 13675491139680. Its totient is φ = 12745212626272.

The previous prime is 13210020113221. The next prime is 13210020113243. The reversal of 13210020113231 is 13231102001231.

It is a happy number.

13210020113231 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 a de Polignac number, because none of the positive numbers 2k-13210020113231 is a prime.

It is a super-2 number, since 2×132100201132312 (a number of 27 digits) contains 22 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 (13210020113221) 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, 165844355 + ... + 165923988.

It is an arithmetic number, because the mean of its divisors is an integer number (1709436392460).

Almost surely, 213210020113231 is an apocalyptic number.

13210020113231 is a deficient number, since it is larger than the sum of its proper divisors (465471026449).

13210020113231 is a wasteful number, since it uses less digits than its factorization.

13210020113231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331769745.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 13210020113231 its reverse (13231102001231), we get a palindrome (26441122114462).

The spelling of 13210020113231 in words is "thirteen trillion, two hundred ten billion, twenty million, one hundred thirteen thousand, two hundred thirty-one".

Divisors: 1 29 1373 39817 331768343 9621281947 455517934939 13210020113231