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1230106331 is a prime number
BaseRepresentation
bin100100101010001…
…1110111011011011
310011201122212122202
41021110132323123
510004401400311
6322021240415
742324505556
oct11124367333
93151585582
101230106331
115813aa103
122a3b6310b
13167b0598c
14b952969d
1572ed5e3b
hex4951eedb

1230106331 has 2 divisors, whose sum is σ = 1230106332. Its totient is φ = 1230106330.

The previous prime is 1230106307. The next prime is 1230106333. The reversal of 1230106331 is 1336010321.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1230106331 is a prime.

It is a super-2 number, since 2×12301063312 = 3026323171132563122, which contains 22 as substring.

Together with 1230106333, 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 (1230106333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615053165 + 615053166.

It is an arithmetic number, because the mean of its divisors is an integer number (615053166).

Almost surely, 21230106331 is an apocalyptic number.

1230106331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230106331 is an equidigital number, since it uses as much as digits as its factorization.

1230106331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 1230106331 is about 35072.8717244539. The cubic root of 1230106331 is about 1071.4721434411.

Adding to 1230106331 its reverse (1336010321), we get a palindrome (2566116652).

The spelling of 1230106331 in words is "one billion, two hundred thirty million, one hundred six thousand, three hundred thirty-one".