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103011221231 is a prime number
BaseRepresentation
bin101111111101111110…
…0100111111011101111
3100211220000210020012222
41133323330213323233
53141431333034411
6115153411545555
710304466635102
oct1377374477357
9324800706188
10103011221231
113a761170196
1217b6a2bb2bb
139938622659
144db2d48739
152a2d7984db
hex17fbf27eef

103011221231 has 2 divisors, whose sum is σ = 103011221232. Its totient is φ = 103011221230.

The previous prime is 103011221221. The next prime is 103011221249. The reversal of 103011221231 is 132122110301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103011221231 - 218 = 103010959087 is a prime.

It is a super-2 number, since 2×1030112212312 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103011221221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51505610615 + 51505610616.

It is an arithmetic number, because the mean of its divisors is an integer number (51505610616).

Almost surely, 2103011221231 is an apocalyptic number.

103011221231 is a deficient number, since it is larger than the sum of its proper divisors (1).

103011221231 is an equidigital number, since it uses as much as digits as its factorization.

103011221231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 103011221231 its reverse (132122110301), we get a palindrome (235133331532).

The spelling of 103011221231 in words is "one hundred three billion, eleven million, two hundred twenty-one thousand, two hundred thirty-one".