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303031112131 = 1127548282921
BaseRepresentation
bin1000110100011100000…
…11111101000111000011
31001222011202111110220101
410122032003331013003
514431101431042011
6351113252223231
730615251645056
oct4321603750703
91058152443811
10303031112131
11107573187750
124a89060ab17
1322763ab7397
1410949926a9d
157d3884b2c1
hex468e0fd1c3

303031112131 has 4 divisors (see below), whose sum is σ = 330579395064. Its totient is φ = 275482829200.

The previous prime is 303031112057. The next prime is 303031112149. The reversal of 303031112131 is 131211130303.

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 303031112131 - 237 = 165592158659 is a prime.

It is a super-2 number, since 2×3030311121312 (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 = 303031112099 and 303031112108.

It is not an unprimeable number, because it can be changed into a prime (303031112831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13774141450 + ... + 13774141471.

It is an arithmetic number, because the mean of its divisors is an integer number (82644848766).

Almost surely, 2303031112131 is an apocalyptic number.

303031112131 is a deficient number, since it is larger than the sum of its proper divisors (27548282933).

303031112131 is a wasteful number, since it uses less digits than its factorization.

303031112131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27548282932.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 303031112131 its reverse (131211130303), we get a palindrome (434242242434).

The spelling of 303031112131 in words is "three hundred three billion, thirty-one million, one hundred twelve thousand, one hundred thirty-one".

Divisors: 1 11 27548282921 303031112131