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31332412443441 = 310444137481147
BaseRepresentation
bin1110001111111001001010…
…10100000100101100110001
311002221100102200202221100110
413013330211110010230301
513101322240041142231
6150345524522011533
76412456250320344
oct707744524045461
9132840380687313
1031332412443441
119a90001a9878a
123620521646ba9
1314638316531b5
147a46d551c45b
1539506450b046
hex1c7f25504b31

31332412443441 has 4 divisors (see below), whose sum is σ = 41776549924592. Its totient is φ = 20888274962292.

The previous prime is 31332412443407. The next prime is 31332412443461. The reversal of 31332412443441 is 14434421423313.

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 31332412443441 - 26 = 31332412443377 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31332412443441.

It is not an unprimeable number, because it can be changed into a prime (31332412443461) 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, 5222068740571 + ... + 5222068740576.

It is an arithmetic number, because the mean of its divisors is an integer number (10444137481148).

Almost surely, 231332412443441 is an apocalyptic number.

It is an amenable number.

31332412443441 is a deficient number, since it is larger than the sum of its proper divisors (10444137481151).

31332412443441 is a wasteful number, since it uses less digits than its factorization.

31332412443441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10444137481150.

The product of its digits is 331776, while the sum is 39.

Adding to 31332412443441 its reverse (14434421423313), we get a palindrome (45766833866754).

The spelling of 31332412443441 in words is "thirty-one trillion, three hundred thirty-two billion, four hundred twelve million, four hundred forty-three thousand, four hundred forty-one".

Divisors: 1 3 10444137481147 31332412443441