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10103311331 = 10859930409
BaseRepresentation
bin10010110100011010…
…00100101111100011
3222002010011101121222
421122031010233203
5131142421430311
64350313005255
7505240505111
oct113215045743
928063141558
1010103311331
114315068383
121b5b6b382b
13c50220239
146bbb76ab1
153e1eb8adb
hex25a344be3

10103311331 has 4 divisors (see below), whose sum is σ = 10104252600. Its totient is φ = 10102370064.

The previous prime is 10103311321. The next prime is 10103311357. The reversal of 10103311331 is 13311330101.

10103311331 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: 13311330101 = 14303930667.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10103311331 is a prime.

It is a super-2 number, since 2×101033113312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10103311301) 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, 454346 + ... + 476063.

It is an arithmetic number, because the mean of its divisors is an integer number (2526063150).

Almost surely, 210103311331 is an apocalyptic number.

10103311331 is a deficient number, since it is larger than the sum of its proper divisors (941269).

10103311331 is an equidigital number, since it uses as much as digits as its factorization.

10103311331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941268.

The product of its (nonzero) digits is 81, while the sum is 17.

Adding to 10103311331 its reverse (13311330101), we get a palindrome (23414641432).

The spelling of 10103311331 in words is "ten billion, one hundred three million, three hundred eleven thousand, three hundred thirty-one".

Divisors: 1 10859 930409 10103311331