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210012000031 is a prime number
BaseRepresentation
bin1100001110010110110…
…0001100111100011111
3202002002002121222120101
43003211230030330133
511420101033000111
6240251142001531
721113202355321
oct3034554147437
9662062558511
10210012000031
118107a331a99
12348507162a7
1316a5b64b652
14a243a89611
1556e2402bc1
hex30e5b0cf1f

210012000031 has 2 divisors, whose sum is σ = 210012000032. Its totient is φ = 210012000030.

The previous prime is 210012000019. The next prime is 210012000061. The reversal of 210012000031 is 130000210012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210012000031 - 25 = 210011999999 is a prime.

It is a super-2 number, since 2×2100120000312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210011999981 and 210012000017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210012000061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105006000015 + 105006000016.

It is an arithmetic number, because the mean of its divisors is an integer number (105006000016).

Almost surely, 2210012000031 is an apocalyptic number.

210012000031 is a deficient number, since it is larger than the sum of its proper divisors (1).

210012000031 is an equidigital number, since it uses as much as digits as its factorization.

210012000031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 210012000031 its reverse (130000210012), we get a palindrome (340012210043).

The spelling of 210012000031 in words is "two hundred ten billion, twelve million, thirty-one", and thus it is an aban number.