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42311413 is a prime number
BaseRepresentation
bin1010000101100…
…1111011110101
32221121122100101
42201121323311
541312431123
64110514101
71022432614
oct241317365
987548311
1042311413
112197a211
1212205931
1389c5951
14589587b
153aabaad
hex2859ef5

42311413 has 2 divisors, whose sum is σ = 42311414. Its totient is φ = 42311412.

The previous prime is 42311411. The next prime is 42311417. The reversal of 42311413 is 31411324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21316689 + 20994724 = 4617^2 + 4582^2 .

It is a cyclic number.

It is not a de Polignac number, because 42311413 - 21 = 42311411 is a prime.

Together with 42311411, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42311411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21155706 + 21155707.

It is an arithmetic number, because the mean of its divisors is an integer number (21155707).

Almost surely, 242311413 is an apocalyptic number.

It is an amenable number.

42311413 is a deficient number, since it is larger than the sum of its proper divisors (1).

42311413 is an equidigital number, since it uses as much as digits as its factorization.

42311413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 19.

The square root of 42311413 is about 6504.7223614848. The cubic root of 42311413 is about 348.4596608922.

Adding to 42311413 its reverse (31411324), we get a palindrome (73722737).

It can be divided in two parts, 42311 and 413, that added together give a palindrome (42724).

The spelling of 42311413 in words is "forty-two million, three hundred eleven thousand, four hundred thirteen".