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303043042031 = 319775582001
BaseRepresentation
bin1000110100011101100…
…01011101101011101111
31001222012120221120122112
410122032301131223233
514431113004321111
6351114400034235
730615455233112
oct4321661355357
91058176846575
10303043042031
11107579995874
124a89460297b
13227664034b2
141094b350579
157d39905e8b
hex468ec5daef

303043042031 has 4 divisors (see below), whose sum is σ = 312818624064. Its totient is φ = 293267460000.

The previous prime is 303043042009. The next prime is 303043042061. The reversal of 303043042031 is 130240340303.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130240340303 = 240615412923.

It is a cyclic number.

It is not a de Polignac number, because 303043042031 - 238 = 28165135087 is a prime.

It is a super-2 number, since 2×3030430420312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 303043041988 and 303043042006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303043042061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4887790970 + ... + 4887791031.

It is an arithmetic number, because the mean of its divisors is an integer number (78204656016).

Almost surely, 2303043042031 is an apocalyptic number.

303043042031 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

303043042031 is a deficient number, since it is larger than the sum of its proper divisors (9775582033).

303043042031 is an equidigital number, since it uses as much as digits as its factorization.

303043042031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9775582032.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 303043042031 its reverse (130240340303), we get a palindrome (433283382334).

The spelling of 303043042031 in words is "three hundred three billion, forty-three million, forty-two thousand, thirty-one".

Divisors: 1 31 9775582001 303043042031