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143319802431 = 31322316479223
BaseRepresentation
bin1000010101111010000…
…1101010001000111111
3111200221012111022112210
42011132201222020333
54322004332134211
6145501252431503
713232412135411
oct2053641521077
9450835438483
10143319802431
1155866323913
1223939618593
13106905b8830
146d184c09b1
153adc3d69a6
hex215e86a23f

143319802431 has 16 divisors (see below), whose sum is σ = 206715385856. Its totient is φ = 87801294816.

The previous prime is 143319802429. The next prime is 143319802433. The reversal of 143319802431 is 134208913341.

143319802431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (143319802429) and next prime (143319802433).

It is not a de Polignac number, because 143319802431 - 21 = 143319802429 is a prime.

It is a super-2 number, since 2×1433198024312 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

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 143319802431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143319802433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8230915 + ... + 8248308.

It is an arithmetic number, because the mean of its divisors is an integer number (12919711616).

Almost surely, 2143319802431 is an apocalyptic number.

143319802431 is a deficient number, since it is larger than the sum of its proper divisors (63395583425).

143319802431 is a wasteful number, since it uses less digits than its factorization.

143319802431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16479462.

The product of its (nonzero) digits is 62208, while the sum is 39.

The spelling of 143319802431 in words is "one hundred forty-three billion, three hundred nineteen million, eight hundred two thousand, four hundred thirty-one".

Divisors: 1 3 13 39 223 669 2899 8697 16479223 49437669 214229899 642689697 3674866729 11024600187 47773267477 143319802431