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143002011031 = 1113000182821
BaseRepresentation
bin1000010100101110010…
…1011000010110010111
3111200010001111211200221
42011023211120112113
54320332003323111
6145405541215211
713221503016025
oct2051345302627
9450101454627
10143002011031
11557129a84a0
122386b101507
131063c7cb999
146cc81d9715
153abe561371
hex214b958597

143002011031 has 4 divisors (see below), whose sum is σ = 156002193864. Its totient is φ = 130001828200.

The previous prime is 143002010999. The next prime is 143002011037. The reversal of 143002011031 is 130110200341.

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 143002011031 - 25 = 143002010999 is a prime.

It is a super-2 number, since 2×1430020110312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 143002010996 and 143002011014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143002011037) 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, 6500091400 + ... + 6500091421.

It is an arithmetic number, because the mean of its divisors is an integer number (39000548466).

Almost surely, 2143002011031 is an apocalyptic number.

143002011031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

143002011031 is a deficient number, since it is larger than the sum of its proper divisors (13000182833).

143002011031 is a wasteful number, since it uses less digits than its factorization.

143002011031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13000182832.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 143002011031 its reverse (130110200341), we get a palindrome (273112211372).

The spelling of 143002011031 in words is "one hundred forty-three billion, two million, eleven thousand, thirty-one".

Divisors: 1 11 13000182821 143002011031