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3421140431 is a prime number
BaseRepresentation
bin1100101111101010…
…0111010111001111
322211102110221101212
43023322213113033
524001302443211
61323250525035
7150531133232
oct31372472717
98742427355
103421140431
1114a6165495
127b589677b
13426a18367
14246511419
1515053138b
hexcbea75cf

3421140431 has 2 divisors, whose sum is σ = 3421140432. Its totient is φ = 3421140430.

The previous prime is 3421140421. The next prime is 3421140479. The reversal of 3421140431 is 1340411243.

It is a weak prime.

It is an emirp because it is prime and its reverse (1340411243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3421140431 - 226 = 3354031567 is a prime.

It is a super-2 number, since 2×34211404312 = 23408403697245731522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3421140397 and 3421140406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3421140421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1710570215 + 1710570216.

It is an arithmetic number, because the mean of its divisors is an integer number (1710570216).

Almost surely, 23421140431 is an apocalyptic number.

3421140431 is a deficient number, since it is larger than the sum of its proper divisors (1).

3421140431 is an equidigital number, since it uses as much as digits as its factorization.

3421140431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 3421140431 is about 58490.5157354592. The cubic root of 3421140431 is about 1506.8047034026.

Adding to 3421140431 its reverse (1340411243), we get a palindrome (4761551674).

The spelling of 3421140431 in words is "three billion, four hundred twenty-one million, one hundred forty thousand, four hundred thirty-one".