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2331314131 is a prime number
BaseRepresentation
bin1000101011110101…
…0000011111010011
320000110210000202211
42022331100133103
514233304023011
61023200052551
7111525562126
oct21275203723
96013700684
102331314131
11a96a698a3
12550904157
132b1cba323
141818a03bd
15d9a09b21
hex8af507d3

2331314131 has 2 divisors, whose sum is σ = 2331314132. Its totient is φ = 2331314130.

The previous prime is 2331314129. The next prime is 2331314137. The reversal of 2331314131 is 1314131332.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2331314131 - 21 = 2331314129 is a prime.

It is a super-2 number, since 2×23313141312 = 10870051154800570322, which contains 22 as substring.

Together with 2331314129, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2331314137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1165657065 + 1165657066.

It is an arithmetic number, because the mean of its divisors is an integer number (1165657066).

Almost surely, 22331314131 is an apocalyptic number.

2331314131 is a deficient number, since it is larger than the sum of its proper divisors (1).

2331314131 is an equidigital number, since it uses as much as digits as its factorization.

2331314131 is an odious number, because the sum of its binary digits is odd.

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

The square root of 2331314131 is about 48283.6839004648. The cubic root of 2331314131 is about 1325.9696959497.

Adding to 2331314131 its reverse (1314131332), we get a palindrome (3645445463).

The spelling of 2331314131 in words is "two billion, three hundred thirty-one million, three hundred fourteen thousand, one hundred thirty-one".