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13231154410431 = 311754137522097
BaseRepresentation
bin1100000010001001111001…
…0000100011001110111111
31201211212220220022020112220
43000202132100203032333
53213234401012113211
644050150341500423
72533630224564336
oct300423620431677
951755826266486
1013231154410431
114241334802631
121598352a11713
1374c900591079
1433a5699b4d1d
1517e28cc67806
hexc089e4233bf

13231154410431 has 8 divisors (see below), whose sum is σ = 17641689772464. Its totient is φ = 8820694327680.

The previous prime is 13231154410417. The next prime is 13231154410477. The reversal of 13231154410431 is 13401445113231.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13231154410431 - 27 = 13231154410303 is a prime.

It is a super-2 number, since 2×132311544104312 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13231154410392 and 13231154410401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13231154410031) 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, 18408426 + ... + 19113671.

It is an arithmetic number, because the mean of its divisors is an integer number (2205211221558).

Almost surely, 213231154410431 is an apocalyptic number.

13231154410431 is a deficient number, since it is larger than the sum of its proper divisors (4410535362033).

13231154410431 is a wasteful number, since it uses less digits than its factorization.

13231154410431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37639641.

The product of its (nonzero) digits is 17280, while the sum is 33.

Adding to 13231154410431 its reverse (13401445113231), we get a palindrome (26632599523662).

The spelling of 13231154410431 in words is "thirteen trillion, two hundred thirty-one billion, one hundred fifty-four million, four hundred ten thousand, four hundred thirty-one".

Divisors: 1 3 117541 352623 37522097 112566291 4410384803477 13231154410431