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2240232431 is a prime number
BaseRepresentation
bin1000010110000111…
…0011101111101111
312210010101121011112
42011201303233233
514041444414211
61010143542235
7106341442613
oct20541635757
95703347145
102240232431
11a4a609868
125262ba97b
13299179c28
14173751343
15d1a1788b
hex85873bef

2240232431 has 2 divisors, whose sum is σ = 2240232432. Its totient is φ = 2240232430.

The previous prime is 2240232427. The next prime is 2240232437. The reversal of 2240232431 is 1342320422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2240232431 - 22 = 2240232427 is a prime.

It is a super-3 number, since 3×22402324313 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 2240232397 and 2240232406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2240232437) 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 as a sum of consecutive naturals, namely, 1120116215 + 1120116216.

It is an arithmetic number, because the mean of its divisors is an integer number (1120116216).

Almost surely, 22240232431 is an apocalyptic number.

2240232431 is a deficient number, since it is larger than the sum of its proper divisors (1).

2240232431 is an equidigital number, since it uses as much as digits as its factorization.

2240232431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 2240232431 is about 47331.0937017095. The cubic root of 2240232431 is about 1308.4717782967.

Adding to 2240232431 its reverse (1342320422), we get a palindrome (3582552853).

The spelling of 2240232431 in words is "two billion, two hundred forty million, two hundred thirty-two thousand, four hundred thirty-one".