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10230123331 = 18839543029
BaseRepresentation
bin10011000011100001…
…10100101101000011
3222101221210002222201
421201300310231003
5131422402421311
64411043014031
7511340420311
oct114160645503
928357702881
1010230123331
11437a70208a
121b9606a317
13c7059091c
146d09470b1
153ed1b79c1
hex261c34b43

10230123331 has 4 divisors (see below), whose sum is σ = 10230685200. Its totient is φ = 10229561464.

The previous prime is 10230123307. The next prime is 10230123341. The reversal of 10230123331 is 13332103201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13332103201 = 53251549117.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10230123331 is a prime.

It is a super-2 number, since 2×102301233312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10230123299 and 10230123308.

It is not an unprimeable number, because it can be changed into a prime (10230123301) 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, 252676 + ... + 290353.

It is an arithmetic number, because the mean of its divisors is an integer number (2557671300).

Almost surely, 210230123331 is an apocalyptic number.

10230123331 is a deficient number, since it is larger than the sum of its proper divisors (561869).

10230123331 is an equidigital number, since it uses as much as digits as its factorization.

10230123331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561868.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 10230123331 its reverse (13332103201), we get a palindrome (23562226532).

The spelling of 10230123331 in words is "ten billion, two hundred thirty million, one hundred twenty-three thousand, three hundred thirty-one".

Divisors: 1 18839 543029 10230123331