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143033120131 = 1113003010921
BaseRepresentation
bin1000010100110101110…
…0000011010110000011
3111200012020001100100211
42011031130003112003
54320412434321011
6145413012054551
713222331314066
oct2051534032603
9450166040324
10143033120131
11557295161a0
1223879604457
13106460a1735
146ccc3b68dd
153ac2158b21
hex214d703583

143033120131 has 4 divisors (see below), whose sum is σ = 156036131064. Its totient is φ = 130030109200.

The previous prime is 143033120117. The next prime is 143033120137. The reversal of 143033120131 is 131021330341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131021330341 = 1111911030031.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-143033120131 is a prime.

It is a super-2 number, since 2×1430331201312 (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (143033120137) 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, 6501505450 + ... + 6501505471.

It is an arithmetic number, because the mean of its divisors is an integer number (39009032766).

Almost surely, 2143033120131 is an apocalyptic number.

143033120131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

143033120131 is a deficient number, since it is larger than the sum of its proper divisors (13003010933).

143033120131 is a wasteful number, since it uses less digits than its factorization.

143033120131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13003010932.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 143033120131 its reverse (131021330341), we get a palindrome (274054450472).

The spelling of 143033120131 in words is "one hundred forty-three billion, thirty-three million, one hundred twenty thousand, one hundred thirty-one".

Divisors: 1 11 13003010921 143033120131