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345403103431 = 350279861053
BaseRepresentation
bin1010000011010111010…
…00010001100011000111
31020000112201212122202111
411001223220101203013
521124341143302211
6422402003121451
733645260636311
oct5015350214307
91200481778674
10345403103431
11123537057981
1256b36973287
13267573c9a99
1412a091427b1
158eb86c5421
hex506ba118c7

345403103431 has 4 divisors (see below), whose sum is σ = 345412999512. Its totient is φ = 345393207352.

The previous prime is 345403103429. The next prime is 345403103443. The reversal of 345403103431 is 134301304543.

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 345403103431 - 21 = 345403103429 is a prime.

It is a super-2 number, since 2×3454031034312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 345403103393 and 345403103402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345403103401) 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, 4895500 + ... + 4965553.

It is an arithmetic number, because the mean of its divisors is an integer number (86353249878).

Almost surely, 2345403103431 is an apocalyptic number.

345403103431 is a deficient number, since it is larger than the sum of its proper divisors (9896081).

345403103431 is an equidigital number, since it uses as much as digits as its factorization.

345403103431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9896080.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 345403103431 its reverse (134301304543), we get a palindrome (479704407974).

The spelling of 345403103431 in words is "three hundred forty-five billion, four hundred three million, one hundred three thousand, four hundred thirty-one".

Divisors: 1 35027 9861053 345403103431