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103312311013123 = 186615536268743
BaseRepresentation
bin10111011111011001000101…
…100110010100111100000011
3111112210120010120212002121221
4113133121011212110330003
5102020132103104404443
61003421004231055511
730522032243204362
oct2737310546247403
9445716116762557
10103312311013123
112aa11561247563
12b70674bb11597
1345854031c1aa4
141b724b1ca77d9
15be25cc3c9eed
hex5df645994f03

103312311013123 has 4 divisors (see below), whose sum is σ = 103317847300528. Its totient is φ = 103306774725720.

The previous prime is 103312311013111. The next prime is 103312311013139. The reversal of 103312311013123 is 321310113213301.

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 103312311013123 - 229 = 103311774142211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103312311013523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2768115711 + ... + 2768153032.

It is an arithmetic number, because the mean of its divisors is an integer number (25829461825132).

Almost surely, 2103312311013123 is an apocalyptic number.

103312311013123 is a deficient number, since it is larger than the sum of its proper divisors (5536287405).

103312311013123 is an equidigital number, since it uses as much as digits as its factorization.

103312311013123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5536287404.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 103312311013123 its reverse (321310113213301), we get a palindrome (424622424226424).

The spelling of 103312311013123 in words is "one hundred three trillion, three hundred twelve billion, three hundred eleven million, thirteen thousand, one hundred twenty-three".

Divisors: 1 18661 5536268743 103312311013123