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10344221431 = 86091201559
BaseRepresentation
bin10011010001001000…
…00100101011110111
3222200220110220011021
421220210010223313
5132141110041211
64430240322011
7514224300655
oct115044045367
928626426137
1010344221431
114429052735
122008313307
13c8b0cc3ab
14701b67dd5
15408204771
hex268904af7

10344221431 has 4 divisors (see below), whose sum is σ = 10345431600. Its totient is φ = 10343011264.

The previous prime is 10344221383. The next prime is 10344221543. The reversal of 10344221431 is 13412244301.

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 10344221431 - 211 = 10344219383 is a prime.

It is a super-2 number, since 2×103442214312 (a number of 21 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 = 10344221396 and 10344221405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10344225431) 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, 592171 + ... + 609388.

It is an arithmetic number, because the mean of its divisors is an integer number (2586357900).

Almost surely, 210344221431 is an apocalyptic number.

10344221431 is a deficient number, since it is larger than the sum of its proper divisors (1210169).

10344221431 is an equidigital number, since it uses as much as digits as its factorization.

10344221431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210168.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 10344221431 its reverse (13412244301), we get a palindrome (23756465732).

The spelling of 10344221431 in words is "ten billion, three hundred forty-four million, two hundred twenty-one thousand, four hundred thirty-one".

Divisors: 1 8609 1201559 10344221431