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2231403047 is a prime number
BaseRepresentation
bin1000010100000000…
…1000001000100111
312202111210000112022
42011000020020213
514032214344142
61005230413355
7106203420146
oct20500101047
95674700468
102231403047
11a45629155
1252336125b
132973a8143
141724d375d
15d0d716d2
hex85008227

2231403047 has 2 divisors, whose sum is σ = 2231403048. Its totient is φ = 2231403046.

The previous prime is 2231402989. The next prime is 2231403049. The reversal of 2231403047 is 7403041322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2231403047 - 220 = 2230354471 is a prime.

It is a super-3 number, since 3×22314030473 (a number of 29 digits) contains 333 as substring.

Together with 2231403049, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2231403049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115701523 + 1115701524.

It is an arithmetic number, because the mean of its divisors is an integer number (1115701524).

Almost surely, 22231403047 is an apocalyptic number.

2231403047 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231403047 is an equidigital number, since it uses as much as digits as its factorization.

2231403047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 2231403047 is about 47237.7290626889. The cubic root of 2231403047 is about 1306.7504969370.

Adding to 2231403047 its reverse (7403041322), we get a palindrome (9634444369).

The spelling of 2231403047 in words is "two billion, two hundred thirty-one million, four hundred three thousand, forty-seven".