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143234430131 = 1338212883547
BaseRepresentation
bin1000010101100101101…
…1111111010010110011
3111200201020211221202202
42011121123333102303
54321321003231011
6145445002533415
713230324365522
oct2053133772263
9450636757682
10143234430131
11558221133a1
1223914b0726b
13106789c7090
146d0b01a4b9
153ad4b7123b
hex21596ff4b3

143234430131 has 8 divisors (see below), whose sum is σ = 154292886384. Its totient is φ = 132181748640.

The previous prime is 143234430107. The next prime is 143234430179. The reversal of 143234430131 is 131034432341.

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 143234430131 - 26 = 143234430067 is a prime.

It is a super-2 number, since 2×1432344301312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 143234430094 and 143234430103.

It is not an unprimeable number, because it can be changed into a prime (143234430181) 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, 1392101 + ... + 1491446.

It is an arithmetic number, because the mean of its divisors is an integer number (19286610798).

Almost surely, 2143234430131 is an apocalyptic number.

143234430131 is a deficient number, since it is larger than the sum of its proper divisors (11058456253).

143234430131 is a wasteful number, since it uses less digits than its factorization.

143234430131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2887381.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 143234430131 its reverse (131034432341), we get a palindrome (274268862472).

The spelling of 143234430131 in words is "one hundred forty-three billion, two hundred thirty-four million, four hundred thirty thousand, one hundred thirty-one".

Divisors: 1 13 3821 49673 2883547 37486111 11018033087 143234430131