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30310110010123 = 157243319275931
BaseRepresentation
bin1101110010001000111110…
…10101110001101100001011
310222022121200200101111212121
412321010133111301230023
512433100101130310443
6144244134452552111
76245555532106666
oct671043725615413
9128277620344777
1030310110010123
119726499a10619
123496376622637
1313bb300995168
1476b0350ca6dd
1537867ed264ed
hex1b911f571b0b

30310110010123 has 4 divisors (see below), whose sum is σ = 30310130858488. Its totient is φ = 30310089161760.

The previous prime is 30310110010097. The next prime is 30310110010129. The reversal of 30310110010123 is 32101001101303.

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 30310110010123 - 25 = 30310110010091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30310110010097 and 30310110010106.

It is not an unprimeable number, because it can be changed into a prime (30310110010129) 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, 8065533 + ... + 11210398.

It is an arithmetic number, because the mean of its divisors is an integer number (7577532714622).

Almost surely, 230310110010123 is an apocalyptic number.

30310110010123 is a deficient number, since it is larger than the sum of its proper divisors (20848365).

30310110010123 is a wasteful number, since it uses less digits than its factorization.

30310110010123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20848364.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 30310110010123 its reverse (32101001101303), we get a palindrome (62411111111426).

The spelling of 30310110010123 in words is "thirty trillion, three hundred ten billion, one hundred ten million, ten thousand, one hundred twenty-three".

Divisors: 1 1572433 19275931 30310110010123