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12310200031 is a prime number
BaseRepresentation
bin10110111011011111…
…01011111011011111
31011202220210221210111
423131233223323133
5200202402400111
65353310150451
7614025655003
oct133557537337
934686727714
1012310200031
115247872538
1224767b2427
1312124c423c
1484acc8703
154c0ae6a21
hex2ddbebedf

12310200031 has 2 divisors, whose sum is σ = 12310200032. Its totient is φ = 12310200030.

The previous prime is 12310199981. The next prime is 12310200041. The reversal of 12310200031 is 13000201321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12310200031 - 29 = 12310199519 is a prime.

It is a super-2 number, since 2×123102000312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12310199984 and 12310200020.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12310200041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6155100015 + 6155100016.

It is an arithmetic number, because the mean of its divisors is an integer number (6155100016).

Almost surely, 212310200031 is an apocalyptic number.

12310200031 is a deficient number, since it is larger than the sum of its proper divisors (1).

12310200031 is an equidigital number, since it uses as much as digits as its factorization.

12310200031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 12310200031 its reverse (13000201321), we get a palindrome (25310401352).

The spelling of 12310200031 in words is "twelve billion, three hundred ten million, two hundred thousand, thirty-one".