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2023203131 is a prime number
BaseRepresentation
bin111100010010111…
…1010000100111011
312020000000100221022
41320211322010323
513120420000011
6532432133055
7101064641255
oct17045720473
95200010838
102023203131
11949055504
1248569718b
1326320c721
141529b8cd5
15bc9478db
hex7897a13b

2023203131 has 2 divisors, whose sum is σ = 2023203132. Its totient is φ = 2023203130.

The previous prime is 2023203089. The next prime is 2023203137. The reversal of 2023203131 is 1313023202.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2023203131 is a prime.

It is a super-2 number, since 2×20232031312 = 8186701818576406322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2023203137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1011601565 + 1011601566.

It is an arithmetic number, because the mean of its divisors is an integer number (1011601566).

Almost surely, 22023203131 is an apocalyptic number.

2023203131 is a deficient number, since it is larger than the sum of its proper divisors (1).

2023203131 is an equidigital number, since it uses as much as digits as its factorization.

2023203131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2023203131 is about 44980.0303579266. The cubic root of 2023203131 is about 1264.7746802988.

Adding to 2023203131 its reverse (1313023202), we get a palindrome (3336226333).

The spelling of 2023203131 in words is "two billion, twenty-three million, two hundred three thousand, one hundred thirty-one".