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4313131 is a prime number
BaseRepresentation
bin10000011101000000101011
322010010111121
4100131000223
52101010011
6232240111
751442504
oct20350053
98103447
104313131
112486579
121540037
13b80264
14803bab
155a2e71
hex41d02b

4313131 has 2 divisors, whose sum is σ = 4313132. Its totient is φ = 4313130.

The previous prime is 4313129. The next prime is 4313147. The reversal of 4313131 is 1313134.

It is an a-pointer prime, because the next prime (4313147) can be obtained adding 4313131 to its sum of digits (16).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4313131 - 21 = 4313129 is a prime.

It is a super-2 number, since 2×43131312 = 37206198046322, which contains 22 as substring.

Together with 4313129, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4313161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2156565 + 2156566.

It is an arithmetic number, because the mean of its divisors is an integer number (2156566).

Almost surely, 24313131 is an apocalyptic number.

4313131 is a deficient number, since it is larger than the sum of its proper divisors (1).

4313131 is an equidigital number, since it uses as much as digits as its factorization.

4313131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108, while the sum is 16.

The square root of 4313131 is about 2076.8078871191. The cubic root of 4313131 is about 162.7786902102.

Adding to 4313131 its reverse (1313134), we get a palindrome (5626265).

It can be divided in two parts, 4313 and 131, that added together give a palindrome (4444).

The spelling of 4313131 in words is "four million, three hundred thirteen thousand, one hundred thirty-one".