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11023101431 = 47401584873
BaseRepresentation
bin10100100010000011…
…10010110111110111
31001110012220120102222
422101001302313313
5140033403221211
65021451152555
7540106546646
oct122101626767
931405816388
1011023101431
114747287291
12217774575b
131068955634
14767da535d
15447b041db
hex291072df7

11023101431 has 8 divisors (see below), whose sum is σ = 11285728704. Its totient is φ = 10761644800.

The previous prime is 11023101413. The next prime is 11023101449. The reversal of 11023101431 is 13410132011.

It is an interprime number because it is at equal distance from previous prime (11023101413) and next prime (11023101449).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11023101431 is a prime.

It is a super-2 number, since 2×110231014312 (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 (11023101451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273590 + ... + 311283.

It is an arithmetic number, because the mean of its divisors is an integer number (1410716088).

Almost surely, 211023101431 is an apocalyptic number.

11023101431 is a deficient number, since it is larger than the sum of its proper divisors (262627273).

11023101431 is an equidigital number, since it uses as much as digits as its factorization.

11023101431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585321.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11023101431 its reverse (13410132011), we get a palindrome (24433233442).

The spelling of 11023101431 in words is "eleven billion, twenty-three million, one hundred one thousand, four hundred thirty-one".

Divisors: 1 47 401 18847 584873 27489031 234534073 11023101431