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13310131312021 = 531831137157047
BaseRepresentation
bin1100000110110000000110…
…1001100001010110010101
31202010102202221021112101011
43001230001221201112111
53221033122103441041
644150331230532221
72542424314302625
oct301540151412625
952112687245334
1013310131312021
114271882149735
1215ab714067071
137571a875c1bb
143402dc90c885
151813614e0e81
hexc1b01a61595

13310131312021 has 8 divisors (see below), whose sum is σ = 13568672444544. Its totient is φ = 13051864497360.

The previous prime is 13310131312013. The next prime is 13310131312111. The reversal of 13310131312021 is 12021313101331.

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 13310131312021 - 23 = 13310131312013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13310131311983 and 13310131312001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13310131315021) 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, 68481481 + ... + 68675566.

It is an arithmetic number, because the mean of its divisors is an integer number (1696084055568).

Almost surely, 213310131312021 is an apocalyptic number.

It is an amenable number.

13310131312021 is a deficient number, since it is larger than the sum of its proper divisors (258541132523).

13310131312021 is a wasteful number, since it uses less digits than its factorization.

13310131312021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137158931.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 13310131312021 its reverse (12021313101331), we get a palindrome (25331444413352).

The spelling of 13310131312021 in words is "thirteen trillion, three hundred ten billion, one hundred thirty-one million, three hundred twelve thousand, twenty-one".

Divisors: 1 53 1831 97043 137157047 7269323491 251134553057 13310131312021