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22300312031 = 36760763793
BaseRepresentation
bin10100110001001100…
…111100000111011111
32010120010222020010122
4110301030330013133
5331132334441111
614124501025155
71416423344654
oct246114740737
963503866118
1022300312031
119503a43548
1243a43b51bb
13214512bb0a
1411179d5c2b
158a7b9ecdb
hex53133c1df

22300312031 has 4 divisors (see below), whose sum is σ = 22361076192. Its totient is φ = 22239547872.

The previous prime is 22300311997. The next prime is 22300312039. The reversal of 22300312031 is 13021300322.

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 22300312031 - 230 = 21226570207 is a prime.

It is a super-2 number, since 2×223003120312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22300312039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30381530 + ... + 30382263.

It is an arithmetic number, because the mean of its divisors is an integer number (5590269048).

Almost surely, 222300312031 is an apocalyptic number.

22300312031 is a deficient number, since it is larger than the sum of its proper divisors (60764161).

22300312031 is an equidigital number, since it uses as much as digits as its factorization.

22300312031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60764160.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 22300312031 its reverse (13021300322), we get a palindrome (35321612353).

The spelling of 22300312031 in words is "twenty-two billion, three hundred million, three hundred twelve thousand, thirty-one".

Divisors: 1 367 60763793 22300312031