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10231103111 = 29352796659
BaseRepresentation
bin10011000011101001…
…00011111010000111
3222102000121212222212
421201310203322013
5131423130244421
64411120014035
7511351640645
oct114164437207
928360555885
1010231103111
114380211219
121b9646131b
13c70844888
146d0b20195
153ed30ce5b
hex261d23e87

10231103111 has 4 divisors (see below), whose sum is σ = 10583899800. Its totient is φ = 9878306424.

The previous prime is 10231103101. The next prime is 10231103123. The reversal of 10231103111 is 11130113201.

It is a happy number.

10231103111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11130113201 = 11398496577.

It is a de Polignac number, because none of the positive numbers 2k-10231103111 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 (10231103101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176398301 + ... + 176398358.

It is an arithmetic number, because the mean of its divisors is an integer number (2645974950).

Almost surely, 210231103111 is an apocalyptic number.

10231103111 is a deficient number, since it is larger than the sum of its proper divisors (352796689).

10231103111 is an equidigital number, since it uses as much as digits as its factorization.

10231103111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352796688.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 10231103111 its reverse (11130113201), we get a palindrome (21361216312).

The spelling of 10231103111 in words is "ten billion, two hundred thirty-one million, one hundred three thousand, one hundred eleven".

Divisors: 1 29 352796659 10231103111