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144013320431 = 10312711009351
BaseRepresentation
bin1000011000011111011…
…1001110000011101111
3111202201112110200101122
42012013313032003233
54324414402223211
6150054145131155
713255533011651
oct2060767160357
9452645420348
10144013320431
1156091846192
1223ab1929abb
1310771198706
146d8264c6d1
153b2d2286db
hex2187dce0ef

144013320431 has 8 divisors (see below), whose sum is σ = 146556493824. Its totient is φ = 141492166200.

The previous prime is 144013320421. The next prime is 144013320463. The reversal of 144013320431 is 134023310441.

It is a happy number.

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 144013320431 - 214 = 144013304047 is a prime.

It is a super-2 number, since 2×1440133204312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144013320431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144013320421) 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, 5491595 + ... + 5517756.

It is an arithmetic number, because the mean of its divisors is an integer number (18319561728).

Almost surely, 2144013320431 is an apocalyptic number.

144013320431 is a deficient number, since it is larger than the sum of its proper divisors (2543173393).

144013320431 is a wasteful number, since it uses less digits than its factorization.

144013320431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11009581.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 144013320431 its reverse (134023310441), we get a palindrome (278036630872).

The spelling of 144013320431 in words is "one hundred forty-four billion, thirteen million, three hundred twenty thousand, four hundred thirty-one".

Divisors: 1 103 127 13081 11009351 1133963153 1398187577 144013320431