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2031019933 is a prime number
BaseRepresentation
bin111100100001110…
…1110011110011101
312020112201111120111
41321003232132131
513124420114213
6533311450021
7101221245625
oct17103563635
95215644514
102031019933
11952504378
12488226911
13264a18657
14153a51885
15bd48da3d
hex790ee79d

2031019933 has 2 divisors, whose sum is σ = 2031019934. Its totient is φ = 2031019932.

The previous prime is 2031019919. The next prime is 2031020041. The reversal of 2031019933 is 3399101302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1049889604 + 981130329 = 32402^2 + 31323^2 .

It is a cyclic number.

It is not a de Polignac number, because 2031019933 - 229 = 1494149021 is a prime.

It is a super-4 number, since 4×20310199334 (a number of 38 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2031019895 and 2031019904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2031079933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015509966 + 1015509967.

It is an arithmetic number, because the mean of its divisors is an integer number (1015509967).

Almost surely, 22031019933 is an apocalyptic number.

It is an amenable number.

2031019933 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031019933 is an equidigital number, since it uses as much as digits as its factorization.

2031019933 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4374, while the sum is 31.

The square root of 2031019933 is about 45066.8385068223. The cubic root of 2031019933 is about 1266.4014387043.

The spelling of 2031019933 in words is "two billion, thirty-one million, nineteen thousand, nine hundred thirty-three".