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143331040331 = 1071339542433
BaseRepresentation
bin1000010101111100110…
…0100001110001001011
3111200221222122021001022
42011133030201301023
54322020221242311
6145502333343055
713232606512103
oct2053714416113
9450858567038
10143331040331
11558716aa036
1223941337a8b
1310692a2198b
146d19ba8203
153add3a65db
hex215f321c4b

143331040331 has 4 divisors (see below), whose sum is σ = 144670582872. Its totient is φ = 141991497792.

The previous prime is 143331040313. The next prime is 143331040361. The reversal of 143331040331 is 133040133341.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 143331040331 - 214 = 143331023947 is a prime.

It is a super-2 number, since 2×1433310403312 (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 143331040331.

It is not an unprimeable number, because it can be changed into a prime (143331040361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 669771110 + ... + 669771323.

It is an arithmetic number, because the mean of its divisors is an integer number (36167645718).

Almost surely, 2143331040331 is an apocalyptic number.

143331040331 is a deficient number, since it is larger than the sum of its proper divisors (1339542541).

143331040331 is a wasteful number, since it uses less digits than its factorization.

143331040331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339542540.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 143331040331 its reverse (133040133341), we get a palindrome (276371173672).

The spelling of 143331040331 in words is "one hundred forty-three billion, three hundred thirty-one million, forty thousand, three hundred thirty-one".

Divisors: 1 107 1339542433 143331040331