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3130331 is a prime number
BaseRepresentation
bin1011111100001111011011
312220001000012
423330033123
51300132311
6151032135
735415221
oct13741733
95801005
103130331
111848956
12106b64b
13857a89
145b6b11
1541c78b
hex2fc3db

3130331 has 2 divisors, whose sum is σ = 3130332. Its totient is φ = 3130330.

The previous prime is 3130327. The next prime is 3130333. The reversal of 3130331 is 1330313.

It is a strong prime.

It is an emirp because it is prime and its reverse (1330313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3130331 - 22 = 3130327 is a prime.

It is a super-2 number, since 2×31303312 = 19597944339122, which contains 22 as substring.

Together with 3130333, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3130333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565165 + 1565166.

It is an arithmetic number, because the mean of its divisors is an integer number (1565166).

Almost surely, 23130331 is an apocalyptic number.

3130331 is a deficient number, since it is larger than the sum of its proper divisors (1).

3130331 is an equidigital number, since it uses as much as digits as its factorization.

3130331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81, while the sum is 14.

The square root of 3130331 is about 1769.2741449532. The cubic root of 3130331 is about 146.2839753535.

Adding to 3130331 its reverse (1330313), we get a palindrome (4460644).

The spelling of 3130331 in words is "three million, one hundred thirty thousand, three hundred thirty-one".