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103231312113 = 361755770563
BaseRepresentation
bin110000000100100010…
…0001101000011110001
3100212110100221000011010
41200021010031003301
53142404203441423
6115231313141133
710313111450346
oct1401104150361
9325410830133
10103231312113
113a864425786
121800bb5a7a9
1399720c2547
144dd427a7cd
152a42c70693
hex180910d0f1

103231312113 has 8 divisors (see below), whose sum is σ = 137864834208. Its totient is φ = 68709332384.

The previous prime is 103231312103. The next prime is 103231312169. The reversal of 103231312113 is 311213132301.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 103231312113 - 24 = 103231312097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 103231312113.

It is not an unprimeable number, because it can be changed into a prime (103231312103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27883431 + ... + 27887132.

It is an arithmetic number, because the mean of its divisors is an integer number (17233104276).

Almost surely, 2103231312113 is an apocalyptic number.

It is an amenable number.

103231312113 is a deficient number, since it is larger than the sum of its proper divisors (34633522095).

103231312113 is an equidigital number, since it uses as much as digits as its factorization.

103231312113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55771183.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 103231312113 its reverse (311213132301), we get a palindrome (414444444414).

The spelling of 103231312113 in words is "one hundred three billion, two hundred thirty-one million, three hundred twelve thousand, one hundred thirteen".

Divisors: 1 3 617 1851 55770563 167311689 34410437371 103231312113