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31223240344241 = 112838476394931
BaseRepresentation
bin1110001100101101110100…
…01001100100001010110001
311002112220122022012200100222
413012112322021210022301
513043030144012003431
6150223431505022425
76401543000640011
oct706267211441261
9132486568180328
1031223240344241
119a4877a205810
123603334024a15
13145645382782a
1479d2da287c41
153922c4e4c57b
hex1c65ba2642b1

31223240344241 has 4 divisors (see below), whose sum is σ = 34061716739184. Its totient is φ = 28384763949300.

The previous prime is 31223240344229. The next prime is 31223240344273. The reversal of 31223240344241 is 14244304232213.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 31223240344241 - 214 = 31223240327857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31223240340241) 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, 1419238197455 + ... + 1419238197476.

It is an arithmetic number, because the mean of its divisors is an integer number (8515429184796).

Almost surely, 231223240344241 is an apocalyptic number.

It is an amenable number.

31223240344241 is a deficient number, since it is larger than the sum of its proper divisors (2838476394943).

31223240344241 is a wasteful number, since it uses less digits than its factorization.

31223240344241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2838476394942.

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 31223240344241 its reverse (14244304232213), we get a palindrome (45467544576454).

The spelling of 31223240344241 in words is "thirty-one trillion, two hundred twenty-three billion, two hundred forty million, three hundred forty-four thousand, two hundred forty-one".

Divisors: 1 11 2838476394931 31223240344241