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30311123130313 = 59467509713339
BaseRepresentation
bin1101110010001010110111…
…01110100001011111001001
310222022201022021202100111121
412321011123232201133021
512433104140010132223
6144244423203355241
76245622613354114
oct671053356413711
9128281267670447
1030311123130313
119726969885833
1234965b9982b21
1313bb43284716c
1476b0cd89157b
153786ddc4a15d
hex1b915bba17c9

30311123130313 has 4 divisors (see below), whose sum is σ = 30311632903120. Its totient is φ = 30310613357508.

The previous prime is 30311123130289. The next prime is 30311123130319. The reversal of 30311123130313 is 31303132111303.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30311123130313 - 213 = 30311123122121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30311123130319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254797203 + ... + 254916136.

It is an arithmetic number, because the mean of its divisors is an integer number (7577908225780).

Almost surely, 230311123130313 is an apocalyptic number.

It is an amenable number.

30311123130313 is a deficient number, since it is larger than the sum of its proper divisors (509772807).

30311123130313 is an equidigital number, since it uses as much as digits as its factorization.

30311123130313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509772806.

The product of its (nonzero) digits is 1458, while the sum is 25.

Adding to 30311123130313 its reverse (31303132111303), we get a palindrome (61614255241616).

The spelling of 30311123130313 in words is "thirty trillion, three hundred eleven billion, one hundred twenty-three million, one hundred thirty thousand, three hundred thirteen".

Divisors: 1 59467 509713339 30311123130313