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30311123320111 = 257411177542571
BaseRepresentation
bin1101110010001010110111…
…01111001111110100101111
310222022201022022002222212011
412321011123233033310233
512433104140032220421
6144244423211422051
76245622615104344
oct671053357176457
9128281268088764
1030311123320111
1197269699a5397
1234965b9a54927
1313bb4328b267a
1476b0cd9007cb
153786ddc864e1
hex1b915bbcfd2f

30311123320111 has 4 divisors (see below), whose sum is σ = 30312300888424. Its totient is φ = 30309945751800.

The previous prime is 30311123320109. The next prime is 30311123320117. The reversal of 30311123320111 is 11102332111303.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30311123320111 - 21 = 30311123320109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30311123320117) 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 in 3 ways as a sum of consecutive naturals, for example, 588745545 + ... + 588797026.

It is an arithmetic number, because the mean of its divisors is an integer number (7578075222106).

Almost surely, 230311123320111 is an apocalyptic number.

30311123320111 is a deficient number, since it is larger than the sum of its proper divisors (1177568313).

30311123320111 is a wasteful number, since it uses less digits than its factorization.

30311123320111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177568312.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 30311123320111 its reverse (11102332111303), we get a palindrome (41413455431414).

The spelling of 30311123320111 in words is "thirty trillion, three hundred eleven billion, one hundred twenty-three million, three hundred twenty thousand, one hundred eleven".

Divisors: 1 25741 1177542571 30311123320111