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31443343341 = 310481114447
BaseRepresentation
bin11101010010001010…
…110101011111101101
310000011100012100012220
4131102022311133231
51003343443441331
622240031545553
72162124002634
oct352212653755
9100140170186
1031443343341
1112375a47273
12611638b2b9
132c7140b107
14174400051b
15c406d1296
hex7522b57ed

31443343341 has 4 divisors (see below), whose sum is σ = 41924457792. Its totient is φ = 20962228892.

The previous prime is 31443343313. The next prime is 31443343343. The reversal of 31443343341 is 14334334413.

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 a cyclic number.

It is not a de Polignac number, because 31443343341 - 27 = 31443343213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31443343343) 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, 5240557221 + ... + 5240557226.

It is an arithmetic number, because the mean of its divisors is an integer number (10481114448).

Almost surely, 231443343341 is an apocalyptic number.

It is an amenable number.

31443343341 is a deficient number, since it is larger than the sum of its proper divisors (10481114451).

31443343341 is a wasteful number, since it uses less digits than its factorization.

31443343341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10481114450.

The product of its digits is 62208, while the sum is 33.

Adding to 31443343341 its reverse (14334334413), we get a palindrome (45777677754).

The spelling of 31443343341 in words is "thirty-one billion, four hundred forty-three million, three hundred forty-three thousand, three hundred forty-one".

Divisors: 1 3 10481114447 31443343341