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344122731031 = 363899456779
BaseRepresentation
bin1010000000111110101…
…00000010101000010111
31012220020111122000000111
411000133110002220113
521114230404343111
6422030544223451
733601452644212
oct5003724025027
91186214560014
10344122731031
11122a3a346172
125683a00ab87
13265b2074891
1412927090779
158e410b0a21
hex501f502a17

344122731031 has 4 divisors (see below), whose sum is σ = 344132224200. Its totient is φ = 344113237864.

The previous prime is 344122731019. The next prime is 344122731089. The reversal of 344122731031 is 130137221443.

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 344122731031 - 227 = 343988513303 is a prime.

It is a super-2 number, since 2×3441227310312 (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 = 344122730984 and 344122731002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344122731131) 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, 4692001 + ... + 4764778.

It is an arithmetic number, because the mean of its divisors is an integer number (86033056050).

Almost surely, 2344122731031 is an apocalyptic number.

344122731031 is a deficient number, since it is larger than the sum of its proper divisors (9493169).

344122731031 is an equidigital number, since it uses as much as digits as its factorization.

344122731031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9493168.

The product of its (nonzero) digits is 12096, while the sum is 31.

Adding to 344122731031 its reverse (130137221443), we get a palindrome (474259952474).

The spelling of 344122731031 in words is "three hundred forty-four billion, one hundred twenty-two million, seven hundred thirty-one thousand, thirty-one".

Divisors: 1 36389 9456779 344122731031